OPW 1522RFSK-0302 - 3" VISI-FLO, 150# FLANGE, CST, RYTON FLAP, VITON, SHIELDED 3" VISI-FLO, 150# FLANGE, CST, RYTON FLAP, VITON, SHIELDED
OPW 1522RF-0401 - 4" VISI-FLO, 150# FLANGE, CST, RYTON FLAP, BUNA 4" VISI-FLO, 150# FLANGE, CST, RYTON FLAP, BUNA
OPW 1522RF-0403 - 4" VISI-FLO, 150 FLANGE, CST, RYTON FLAP, TEFLON 4" VISI-FLO, 150 FLANGE, CST, RYTON FLAP, TEFLON
OPW 1521RFSK-0402 - 4" VISI-FLO, 150# FLANGE, CST, RYTON PROP, VITON, SHIELDED 4" VISI-FLO, 150# FLANGE, CST, RYTON PROP, VITON, SHIELDED
OPW 1422TF-0402 - 4" VISI-FLO, 150# FLANGE, CST, TEFLON FLAP, VITON 4" VISI-FLO, 150# FLANGE, CST, TEFLON FLAP, VITON