As an Amazon Associate, we earn from qualifying purchases. Home » Southwark » MF4 MF4 | Baker Distributing Southwark . MF4 Attributes Brand name, Manufacturer name, Manufacturer, BrandSouthwark DimensionUnitinch Extra Product NameMF4 | Baker Distributing Weight, Package Weight0.72 Weight_AttribWeight diameter, length, width2.0 jsonUrlData458531 keywordsFlex, Uninsulated Flex length_Attrib, width_AttribInside Diameter moq, multiple, tierMinQty11 MPNMF4 qtyInStock0 SKUSWMF4 snippet8' Joint 4" Aluminum Flex Duct tierPrice112.23 ComplianceUL Class O CompositionType 100A special Aluminum alloy Cubic Measurement0.8889 Dimensional Weight3 Fire RatingClass O Flex Length8' Flex TypeUninsulated Height, Package Height, Package Width, Width4 Inside Diameter2" Insulated, Prop 65No Length96 Maximum Air Flow5000 FPM Maximum Pressure12" WC Positive and Negative Maximum Temperature435?F (223.91?C) Operating Temperature-100?F to 435?F (-73.3?C to 223.8?C) Package TypeBox Package Length25.5 Pressure Rating12" IWC positive and negative Size4" x 8' UL ListedYes UOMPC Distributor offers SellerSKUMOQIn stockMultiplePrices bakerdist.comSWMF4111 @ $12.23