NATURAL & COST-EFFECTIVE: Filter pump uses silica sand for eco-friendly pool cleaning. Water flow rate 1,100 gph (gallons per hour) CONVENIENT DESIGN: Durable sand tank fits all pumps with 1.5" hose fittings & 6-function handle LOW-MAINTENANCE: Sand only needs replacing once every 5 years SAFETY FIRST: ETL listed –10" Sand Filter Pump with GFCI (110~120 V). Conforms to UL Safety Standards for pool pumps