Top seal adaptors thread onto underground and aboveground storage tank fill ports and riser pipes where tight fill connections are required.
- Accommodates Morrison most brands of top seal caps
- Straight threads with gasket secure Morrison model 419 drop tube onto the riser pipe
- 4″ available with internal lugs for easy installation
- 305H and 305LH have a higher profile
- 305L and 305LH have internal lugs
- Brass with Buna-N gasket