Aluminum One Way or Two Way vent that provides pressure equalization in the roof system. Spun from heavy gauge aluminum with unique cap design that shields against entry of wind-blown rain or snow.
One Way - BV-1000
One Way (w/insert) - BV-1010
Two Way - BV-1020
Two Way (w/insert) - BV-1030
I really like the products we purchase from Marathon. They are always helpful and much nicer to deal with than my previous manufactures.
— Bob, Commercial Coordinator, ABC Supply Company, Austin, Texas