IG, Peb Tec, 15,000 gal saltwater pool with spillover spa. Pentair Clean and Clear Plus cartridge filter (flow rate 150 gpm). Pentair WhisperFlo 2hp pump + 3/4 hp booster pump. Intelichlor IC40 cell. UltraPure Turbo Shock ozone generator. Pentair 320 in-line feeder for winter chlorination. StaRite Max-E-Therm nat gas heater. Pentair EasyTouch controls