S2-3760-OF-RETROP-S: Solid s2 remote fill platform (Standard).
S2-3760-OFD-RETROP-S: Solid s2 remote fill platform with a hole for drainback plunger
S2-3760-OF-PLAT-SOLID: Solid s2 remote fill platform for bolted spill trays.
S2-3760-OFD-PLAT-SOLID: Solid s2 remote fill platform for bolted spill trays and a hole for drainback plunger.