All-plastic mushroom style tank vent cap or tank breather cap is all plastic and therefore corrosion-proof. Allows containers to vent while keeping out rain, debris, airborne seeds, and insects. PVC body with polypropylene screen.  Used for roof vent stacks, air intakes, venting equipment cabinets, exhaust pipes and more.

Available in standard NPT fitting sizes 1/2″ fitting size and larger – male thread, female thread or slip fitting. All sizes up to 6″ are in stock.

SCREEN SIZES

• 2″ and smaller uses mesh 17×17 strands per inch for sizes 2″ and under
• 3-6″ sizes, 10×10 mesh
• 8″ and larger use PVC sheet, 1/8″ thickness  with 1/8″ holes. 

17 x 17 mesh complies with FDA regulations for potable water storage.

For sizes larger than 8″, or custom configurations, please phone us.