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| Applicable Materials | : | Metal Duct, Fiberglass Duct Board and Fabric Duct |
| Base Type | : | Synthetic Latex/Water |
| Color | : | Gray |
| Container Size | : | 1 gal |
| Drying Time | : | 48 hr |
| Temperature Rating | : | 35 to 110 deg F |
| VOC Content | : | 92 g/L |
Duct-Seal™ 321 in an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board and flex duct, as well as duct fabric and flexible tubing runouts. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water based product is solvent-free and is suitable for residential use.
DynAir Duct Seal Compound, 1 gal Container, Synthetic Latex/Water Base, 48 hr Drying, Gray, 35 to 110 deg F, 92 g/L VOC, Applicable Materials: Metal Duct, Fiberglass Duct Board and Fabric Duct