MUSHROOM VENT CAP ASSY.

Vent Caps •Available in threaded and slip-on designs •Slip-On design solves clearance problems •Rust-resistant zinc-plated cast iron, as-well-as rust-proof aluminum and Zinc castings •Available sizes from ¾" to 4" •Each cap includes a screen to prevent debris from entering the vent pipe Mushroom Vent Caps •This popular style is used in the majority of installations in the United States, Alaska, and Canada •Rust-resistant zinc-plated cast iron design is available in female NPT sizes from 3/4" to 4" •Each cap is designed with a 30 mesh screen, to prevent debris from entering the vent pipe Female NPT 3/4"