Pentair 140316 Triton C High Capacity Fiberglass Side Mount Sand Pool Filter, 7.06 Square Feet, 141 GPM (Residential), without Valve or Unions Maximum Operating Pressure 50 psi Full 2 in. Drain 9 in. opening for easy access to sand bed The Triton C-3 features standard 3 in. flange connections TR 100C-3 & TR 140C-3 models are available in black only