I'd drill holes in the top near the end caps and just drop the supply into the holes and you wouldn't need the seals. put a 4" to 3" bell reducer4 on the other end to always hold a little water in case of pump failure. I'd place my tank under the end where it would drain right into the tank.
I'd drill holes in the top near the end caps and just drop the supply into the holes and you wouldn't need the seals. put a 4" to 3" bell reducer4 on the other end to always hold a little water in case of pump failure. I'd place my tank under the end where it would drain right into the tank.