Selkirk 5 In. To 6 In. Universal Gas B-Vent Cap EasyMix Complete with case and includes

Complete with case and includes spall suppressor

fill the smaller section on the bottom with water or sand before inflating the top section with the air pump

Does not darken or yellow with age

1-handle lever design

Selkirk 5 In. To 6 In. Universal Gas B-Vent Cap EasyMix Complete with case and includesUniversal B Vent cap is self centering and has an adjustable design for a neat, quick and easy installation. Created for roof vent, flue and B vent installations, this new design supports venting a strong draft. Constructed from aluminum for rust and corrosion resistance, the cap will also prevent rain, debris and most pests from entering the vent. Not to be used on solid fuel flues. Listing: UL 441 and CAN ULC 605.