Top seal adaptors thread onto underground and aboveground storage tank fill ports and riser pipes where tight fill connections are required. Available "with lugs" or "without lugs" and in two different heights.
- Used for access to leak detection on fuel storage tanks
- Accommodates most brands of top seal caps
- Fits standard cap and drop tube
- Brass with Buna-N gasket
- CARB 89-12 (4? top seal adaptor)
- CARB VR-402 (some models)