Red Devil F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, Gray Automotive Trim Durable construction for longer life

Durable construction for longer life

and 750lm on low

even when on a 35° angle

dries in 30-40 minutes

Red Devil F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, Gray Automotive Trim Durable construction for longer lifeFeatures: High quality, fiber reinforced UL 181 a m & b m certified Can be used on all types of HVAC ductwork. Interior exterior Made in the USA Details: Red Devil F Seal 181 is a specially formulated fiber reinforced water based duct sealant mastic for indoor outdoor use. Suitable for pressure sealing all types of HVAC duct systems including metal, fiberglass ductboard and flex duct. Made in USA. FEATURES: LEED EQ 4. 1 Compliant Indoor Outdoor