Splapool/Pooline In-Ground Swimming Pool Cartridge Filter System with 2 Speed Pump 1 HP Meets new local codes requiring energy saving, multi-speed pool pumps 1750 RPM low speed, 3.7 Amps - energy saving for normal operations 3450 RPM high speed, 11.5 Amps for extra power when you need it Large cartridge with 120 square foot filtration area Rugged polymer tank with built in Pressure Gauge