Made of glass reinforced polypropylene, these vent caps prevent swirl in the bottom of your tank. Vent caps have male NPT. Bore size: 3". Bore area: 7 sq. in. Vent area: 9 sq. in.
- Fiberglass-reinforced polypropylene vent caps
- Tank flanges come standard with FKM gaskets
- Caps & flanges sold separately