PLASTIC TANK VENT CAP allows venting while keeping out debris, insects, and rain.

screened plastic vent cap
2" FEMALE THREAD VENT CAP
slip vent cap
SLIP VENT CAPS

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.

1 inch vent cap
1 INCH
Vent cap internal measurement
1.5 inch
1.25 inch vent cap
1.25 INCH
2 inch vent cap
2 inch [60 mm]
3 inch vent cap
3 INCH
4 inch vent cap
4 INCH

MEASUREMENTS OF SLIP VENT CAPS

Specifications
  • Material (housing) PVC, schedule 40
  • Screen mesh material polypropylene
  • Screen mesh size (2″ and smaller) 17×17 mesh
  • Screen mesh size (3-6″) 10 x 10 mesh
  • Screen mesh size (8″+) 1/8″ PVC with” 0.125″ dia. holes
  • Open area 40% (all sizes)
  • Maximum temperature 150F (65C)
CUTAWAY OF MALE VENT CAP
Vent cap sizes
SIZES FROM 1/2" TO 8"

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Vent cap

Select size and orientation:

Pipe Size
Mounting Type
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