Weather Stripping and Gaskets Neoprene Nitrile PVC Tape (1/4" x 1" x 50 FT) Closed cell blend of neoprene nitrile and PVC Good oil and acid resistance, excellent ozone and oxidation resistance, suite for outdoor applications Cost effective for HVAC sizes in stock, common HVAC sizes in stock, "skin" surface provides rigidity Perfect for: HVAC, roof curb, windown and door gasketing, general industrial, dust seal, light seal