intex pool filter swimming pools above ground inflatable hot tub Summer Waves P57100102 type VII SFS-350 RP-350 RP-400 RP-600 RX-600 SFS-600 Comparable to Summer Waves Summer Escapes and Intex D Type Filters The Summer Waves P57100102 Swimming Pool Pump Filter Cartridge fits SFS-350 RP-350 RP-400 RP-600 RX-600 and SFS-600 model canisters. Summer Waves Model P57100102 Type D replacement cartridge for pool filters Fits canisters: SFS-350 RP-350, RP-400, RP-600, RX-600, SFS-600