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The Red Devil 0841DW F-Seal 181 is a fiber-reinforced, water-based duct sealant suitable for sealing air ducts. It is specially formulated for indoor/outdoor use and can be used on all types of HVAC ductwork. Comes in a 1-gallon container.
The Red Devil F-Seal 181 is a high-quality duct sealant that exceeds all SMACNA pressure and sealing classes. It is also mold and mildew-resistant.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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