"Batwing" Smoke & Draft Gaskets. Smoke and Draft Control Gasketing is UL 10C (Category H) classified. Tested to UL 1784. Complies with IBC, NFPA 80, NFPA 105, NFPA 252. Available in brown, charcoal, white, and clear. This is a non-stock item. Please specify color in order comments when ordering. Allow 7 to 10 business days for delivery.