Replace your PVC or Plastic cap with this Zinc-plated cast iron steel cap
Each cap includes a screen to keep debris from entering the vent pipe
Vent allows storage tank to breathe and equalize internal pressure
Resistant to rusting
Available sizes from 3/4″ to 4″
Description
This popular style is used in the majority of installations in the US, Alaska, and Canada. Zinc-plated cast iron design is available in threaded female NPT sizes from ¾” to 4″. Each cap is designed with a mesh screen, to keep debris from entering the vent pipe.