As an Amazon Associate, we earn from qualifying purchases. Home » Southwark » MF254 MF254 | Baker Distributing Southwark . MF254 Attributes Brand name, Manufacturer name, Manufacturer, BrandSouthwark DimensionUnitinch Extra Product NameMF254 | Baker Distributing Weight, Package Weight6.5 Weight_AttribWeight diameter, length, width2.0 jsonUrlData466982 keywordsFlex, Uninsulated Flex length_Attrib, width_AttribInside Diameter moq, multiple, tierMinQty11 MPNMF254 qtyInStock0 SKUSWMF254 snippet25' Joint 4" Aluminum Flex Duct tierPrice152.96 ComplianceUL Class O CompositionType 100A special Aluminum alloy Cubic Measurement0.5556 Dimensional Weight6 Fire RatingClass O Flex Length25' Flex TypeUninsulated Height, Package Height, Package Width, Width4 Inside Diameter2" Insulated, Prop 65No Length, Package Length60 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 Pressure Rating12" IWC positive and negative Size4" x 25' UL ListedYes UOMEA Distributor offers SellerSKUMOQIn stockMultiplePrices bakerdist.comSWMF254111 @ $52.96