3" & 4" Poly-Air Activated Carbon Vent Filter

3" & 4" Poly-Air Activated Carbon Vent Filter

Product Description

The Poly-Air filtration device is an Activated Carbon Vent

Poly-Air™ is an activated carbon vent filter that can remove offensive odors, such as Hydrogen
Sulfide, as they come out of the roof vent. Use our filter to eliminate these unpleasant odors.

The Poly-Air™ Activated Carbon Vent Filter is manufactured to fit your existing pipe. Our standard size vent cover will fit 4" & 3” vents. The Poly-Air™ will also fit 2” and 1.5” vents with our optional vent reducer. Polylok’s Poly-Air™ is your answer to eliminate septic odors. It is inexpensive and can be easily installed on existing vents. Never experience unpleasant odors from your house or portable toilet vents again!


  • Simple Installation.
  • Low Cost.
  • Fits existing 4", 3", 2”, & 1.5” pipe.
  • No more offensive odors.
  • Contains 1lb. of charcoal in each filter.

Installation & Maintenance:
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Installation & Maintenance VIDEO:
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Technical Data:

Poly-Air™ Drawing

Certification of Compliance
Testing Results