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            {
              "value": "60 in",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_FitsFanDiameter_60in_1_35f25d6f44.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_FitsFanDiameter_60in_1_35f25d6f44.html"
        },
        {
          "name": "Item",
          "values": [
            {
              "value": "Universal Backdraft Damper",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4973000/menu_attr_pair_Item_UniversalBackdraftDamper_1_3e4e7c0879.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000000/4973000/menu_attr_pair_Item_UniversalBackdraftDamper_1_3e4e7c0879.html"
        },
        {
          "name": "Type",
          "values": [
            {
              "value": "No Flange, Horizontal Mount",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Type_NoFlangeHorizontalMount_1_bdefa3312c.html"
            },
            {
              "value": "Flange",
              "url": "/python/html5/menu_attr_pair/1000/2000000/2811000/menu_attr_pair_Type_Flange_1_6632a130bb.html"
            },
            {
              "value": "ean",
              "url": "/python/html5/menu_attr_pair/1000/3000/menu_attr_pair_Type_ean_1_ca8a058b84.html"
            },
            {
              "value": "upc",
              "url": "/python/html5/menu_attr_pair/1000/61000/menu_attr_pair_Type_upc_1_b8e0fca956.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Type_NoFlangeHorizontalMount_1_bdefa3312c.html"
        },
        {
          "name": "Construction Material",
          "values": [
            {
              "value": "G-90 Galvanized Steel Frame and Aluminum Blades",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ConstructionMaterial_G90GalvanizedSteelFrameandAluminumBlades_1_215cd75c0d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ConstructionMaterial_G90GalvanizedSteelFrameandAluminumBlades_1_215cd75c0d.html"
        },
        {
          "name": "Max  Velocity (FPM)",
          "values": [
            {
              "value": "2,000",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_MaxVelocityFPM_2000_1_6201035c12.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_MaxVelocityFPM_2000_1_6201035c12.html"
        },
        {
          "name": "Includes",
          "values": [
            {
              "value": "Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Includes_PrepunchedConduitHoleKnockoutandFeltedEdge_1_3af5db52ce.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Includes_PrepunchedConduitHoleKnockoutandFeltedEdge_1_3af5db52ce.html"
        },
        {
          "name": "Rough Opening Dims",
          "values": [
            {
              "value": "60 in x 60 in",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_RoughOpeningDims_60inx60in_1_3403b39677.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_RoughOpeningDims_60inx60in_1_3403b39677.html"
        },
        {
          "name": "Blade",
          "values": [
            {
              "value": "Aluminum Blade w/ Felt Seal",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5009000/menu_attr_pair_Blade_AluminumBladewFeltSeal_1_f58d5011d7.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5009000/menu_attr_pair_Blade_AluminumBladewFeltSeal_1_f58d5011d7.html"
        },
        {
          "name": "Closure Type",
          "values": [
            {
              "value": "Spring",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ClosureType_Spring_1_ddfb78e200.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ClosureType_Spring_1_ddfb78e200.html"
        },
        {
          "name": "Maximum Air Velocity",
          "values": [
            {
              "value": "2000 fpm",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_MaximumAirVelocity_2000fpm_1_8b5f22549b.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_MaximumAirVelocity_2000fpm_1_8b5f22549b.html"
        },
        {
          "name": "Maximum Ambient Temperature",
          "values": [
            {
              "value": "180 Degrees F",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4989000/menu_attr_pair_MaximumAmbientTemperature_180DegreesF_1_4e90e2af37.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000000/4989000/menu_attr_pair_MaximumAmbientTemperature_180DegreesF_1_4e90e2af37.html"
        },
        {
          "name": "Switch Action",
          "values": [
            {
              "value": "Normally Closed",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5010000/menu_attr_pair_SwitchAction_NormallyClosed_1_54747c8a6f.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5010000/menu_attr_pair_SwitchAction_NormallyClosed_1_54747c8a6f.html"
        },
        {
          "name": "ASIN",
          "values": [
            {
              "value": "B007ICHLMS",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B007ICHLMS_1_294b1100d0.html"
            },
            {
              "value": "B08KT7GRRH",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B08KT7GRRH_1_d5cf55521c.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B007ICHLMS_1_294b1100d0.html"
        },
        {
          "name": "AdultProduct",
          "values": [
            {
              "value": "False",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"
        },
        {
          "name": "Asin",
          "values": [
            {
              "value": "B007ICHLMS",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B007ICHLMS_1_294b1100d0.html"
            },
            {
              "value": "B08KT7GRRH",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B08KT7GRRH_1_d5cf55521c.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ASIN_B007ICHLMS_1_294b1100d0.html"
        },
        {
          "name": "Autographed",
          "values": [
            {
              "value": "False",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"
        },
        {
          "name": "Batteries_required",
          "values": [
            {
              "value": "False",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_Batteriesrequired_False_1_87e9780f06.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_Batteriesrequired_False_1_87e9780f06.html"
        },
        {
          "name": "Binding",
          "values": [
            {
              "value": "Misc.",
              "url": "/python/html5/menu_attr_pair/1000/60000/menu_attr_pair_Binding_Misc_1_e113619f99.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/60000/menu_attr_pair_Binding_Misc_1_e113619f99.html"
        },
        {
          "name": "Brand",
          "values": [
            {
              "value": "CAI - DAYTON",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Brand_CAIDAYTON_1_652423cbd8.html"
            },
            {
              "value": "Dayton",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Brand_Dayton_1_0d2fd0b16e.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Brand_CAIDAYTON_1_652423cbd8.html"
        },
        {
          "name": "Bullet_point",
          "values": [
            {
              "value": "Commercial Brand: Dayton",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4973000/menu_attr_pair_Bulletpoint_CommercialBrandDayton_1_03d3174bd3.html"
            },
            {
              "value": "Country of Manufactury: United States",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4872000/menu_attr_pair_Bulletpoint_CountryofManufacturyUnitedStates_1_96943e5e79.html"
            },
            {
              "value": "HVAC and Refrigeration",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1578000/menu_attr_pair_Bulletpoint_HVACandRefrigeration_1_24c53d06f8.html"
            },
            {
              "value": "Ventilation Equipment and Supplies",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5002000/menu_attr_pair_Bulletpoint_VentilationEquipmentandSupplies_1_79bb997c29.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000000/4973000/menu_attr_pair_Bulletpoint_CommercialBrandDayton_1_03d3174bd3.html"
        },
        {
          "name": "ClassificationId",
          "values": [
            {
              "value": "13399911",
              "url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_ClassificationId_13399911_1_17066e6f99.html"
            },
            {
              "value": "318140011",
              "url": "/python/html5/menu_attr_pair/1000/668000/menu_attr_pair_ClassificationId_318140011_1_bfe3b78ff3.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_ClassificationId_13399911_1_17066e6f99.html"
        },
        {
          "name": "Contains_liquid_contents",
          "values": [
            {
              "value": "False",
              "url": "/python/html5/menu_attr_pair/1000/168000/menu_attr_pair_Containsliquidcontents_False_1_577bd9bb92.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/168000/menu_attr_pair_Containsliquidcontents_False_1_577bd9bb92.html"
        },
        {
          "name": "DisplayName",
          "values": [
            {
              "value": "Ducting",
              "url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_DisplayName_Ducting_1_a2897cf3c7.html"
            },
            {
              "value": "Lab Showers",
              "url": "/python/html5/menu_attr_pair/1000/668000/menu_attr_pair_DisplayName_LabShowers_1_b1cbe4edcf.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_DisplayName_Ducting_1_a2897cf3c7.html"
        },
        {
          "name": "Height",
          "values": [
            {
              "value": "10",
              "url": "/python/html5/menu_attr_pair/1000/64000/menu_attr_pair_Height_10_1_ecad2d5624.html"
            },
            {
              "value": "2.0",
              "url": "/python/html5/menu_attr_pair/1000/66000/menu_attr_pair_Height_20_1_a8500c4566.html"
            },
            {
              "value": "2.00",
              "url": "/python/html5/menu_attr_pair/1000/103000/menu_attr_pair_Height_200_1_82f2b6878b.html"
            },
            {
              "value": "252",
              "url": "/python/html5/menu_attr_pair/1000/64000/menu_attr_pair_Height_252_1_8ca624ec40.html"
            },
            {
              "value": "38",
              "url": "/python/html5/menu_attr_pair/1000/64000/menu_attr_pair_Height_38_1_2a00bd88b7.html"
            },
            {
              "value": "400",
              "url": "/python/html5/menu_attr_pair/1000/75000/menu_attr_pair_Height_400_1_ea3e9de298.html"
            },
            {
              "value": "65.5",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Height_655_1_0901074824.html"
            },
            {
              "value": "75",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_Height_75_1_a0092a3e31.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/64000/menu_attr_pair_Height_10_1_ecad2d5624.html"
        },
        {
          "name": "Identifier",
          "values": [
            {
              "value": "0190735347751",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Identifier_0190735347751_1_50a31d7d3b.html"
            },
            {
              "value": "0696333280365",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Identifier_0696333280365_1_d90d85ff52.html"
            },
            {
              "value": "190735347751",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Identifier_190735347751_1_12d5c94310.html"
            },
            {
              "value": "696333280365",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Identifier_696333280365_1_9a62c91216.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Identifier_0190735347751_1_50a31d7d3b.html"
        },
        {
          "name": "IdentifierType",
          "values": [
            {
              "value": "EAN",
              "url": "/python/html5/menu_attr_pair/1000/3000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"
            },
            {
              "value": "UPC",
              "url": "/python/html5/menu_attr_pair/1000/61000/menu_attr_pair_IdentifierType_UPC_1_477407fdb7.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/3000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"
        },
        {
          "name": "Included_components",
          "values": [
            {
              "value": "Product & Instructions Guide",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1578000/menu_attr_pair_Includedcomponents_ProductInstructionsGuide_1_d7ab505265.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/1000000/1578000/menu_attr_pair_Includedcomponents_ProductInstructionsGuide_1_d7ab505265.html"
        },
        {
          "name": "Is_expiration_dated_product",
          "values": [
            {
              "value": "False",
              "url": "/python/html5/menu_attr_pair/1000/168000/menu_attr_pair_Isexpirationdatedproduct_False_1_2b3e9fb4f3.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/168000/menu_attr_pair_Isexpirationdatedproduct_False_1_2b3e9fb4f3.html"
        },
        {
          "name": "ItemClassification",
          "values": [
            {
              "value": "BASE_PRODUCT",
              "url": "/python/html5/menu_attr_pair/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"
        },
        {
          "name": "ItemName",
          "values": [
            {
              "value": "Damper,Horizontal,60 in Sq",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ItemName_DamperHorizontal60inSq_1_a83de3cecd.html"
            },
            {
              "value": "Dayton Damper, Horizontal, 60 in Sq",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ItemName_DaytonDamperHorizontal60inSq_1_3f8bf00c65.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_ItemName_DamperHorizontal60inSq_1_a83de3cecd.html"
        },
        {
          "name": "Item_name",
          "values": [
            {
              "value": "Damper,Horizontal,60 in Sq",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Itemname_DamperHorizontal60inSq_1_96e32214f5.html"
            },
            {
              "value": "Dayton Damper, Horizontal, 60 in Sq",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Itemname_DaytonDamperHorizontal60inSq_1_797dfefc36.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Itemname_DamperHorizontal60inSq_1_96e32214f5.html"
        },
        {
          "name": "Item_package_quantity",
          "values": [
            {
              "value": "1",
              "url": "/python/html5/menu_attr_pair/1000/1000/menu_attr_pair_Itempackagequantity_1_1_10213d6c40.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/1000/menu_attr_pair_Itempackagequantity_1_1_10213d6c40.html"
        },
        {
          "name": "Item_package_weight",
          "values": [
            {
              "value": "52.5",
              "url": "/python/html5/menu_attr_pair/1000/3000000/3279000/menu_attr_pair_Itempackageweight_525_1_51a83d93a0.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/3000000/3279000/menu_attr_pair_Itempackageweight_525_1_51a83d93a0.html"
        },
        {
          "name": "Item_type_keyword",
          "values": [
            {
              "value": "ducting-components",
              "url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_Itemtypekeyword_ductingcomponents_1_fb645c02ad.html"
            },
            {
              "value": "science-lab-showers",
              "url": "/python/html5/menu_attr_pair/1000/669000/menu_attr_pair_Itemtypekeyword_sciencelabshowers_1_b34306a6a2.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/3000000/3749000/menu_attr_pair_Itemtypekeyword_ductingcomponents_1_fb645c02ad.html"
        },
        {
          "name": "Item_weight",
          "values": [
            {
              "value": "3.12",
              "url": "/python/html5/menu_attr_pair/1000/2000000/2317000/menu_attr_pair_Itemweight_312_1_8ba25405f5.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/2000000/2317000/menu_attr_pair_Itemweight_312_1_8ba25405f5.html"
        },
        {
          "name": "Keyword",
          "values": [
            {
              "value": "5NKN8",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5011000/menu_attr_pair_Keyword_5NKN8_1_5726503f8d.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/5000000/5011000/menu_attr_pair_Keyword_5NKN8_1_5726503f8d.html"
        },
        {
          "name": "Label",
          "values": [
            {
              "value": "CAI - DAYTON",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Label_CAIDAYTON_1_773c3bbb24.html"
            },
            {
              "value": "DAYTON",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Label_Dayton_1_2d14d631ad.html"
            },
            {
              "value": "Dayton",
              "url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Label_Dayton_1_2d14d631ad.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/4000000/4970000/menu_attr_pair_Label_CAIDAYTON_1_773c3bbb24.html"
        },
        {
          "name": "Length",
          "values": [
            {
              "value": "2.0",
              "url": "/python/html5/menu_attr_pair/1000/66000/menu_attr_pair_Length_20_1_9313541e58.html"
            },
            {
              "value": "2.00",
              "url": "/python/html5/menu_attr_pair/1000/158000/menu_attr_pair_Length_200_1_4f61f3f6db.html"
            },
            {
              "value": "37.5",
              "url": "/python/html5/menu_attr_pair/1000/1000000/1660000/menu_attr_pair_Length_375_1_da24d861d0.html"
            },
            {
              "value": "65.5",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5012000/menu_attr_pair_Length_655_1_f6fbf733e0.html"
            }
          ],
          "name_url": "/python/html5/menu_attr_pair/1000/66000/menu_attr_pair_Length_20_1_9313541e58.html"
        },
        {
          "name": "Link",
          "values": [
            {
              "value": "https://m.media-amazon.com/images/I/31Wc7jaeSpL._SL75_.jpg",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5011000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI31Wc7jaeSpLSL75_1_b3a425eb38.html"
            },
            {
              "value": "https://m.media-amazon.com/images/I/31Wc7jaeSpL.jpg",
              "url": "/python/html5/menu_attr_pair/1000/5000000/5011000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI31Wc7jaeSpLjpg_1_e544de0ef5.html"
            },
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