- Rubber tank grommet
- 3", requires a 3-7/8" tank hole
- For use with polyethylene holding tanks
- After installing the grommet into the tank hole, the drain pipe goes inside the grommet and seals with a hose clamp (sold separately)
Valterra's Rubber Tank Grommets are used with polyethylene holding tanks. After installing the grommet into the tank hole, the drain pipe goes inside the grommet and seals with a hose clamp (sold separately).