Northlight 18-Inch Top Mount Swimming Pool Sand Filter with 6-Way Valve

18 inch sand filter with multi-position valve for easy installation and use 1.8 square foot filter area; Max flow rate of 35 GPM; Uses 110lbs of sand Corrosion-proof housing protects the filter from severe climate for years to come Smart top diffuser ensures even distribution of aqua over the sand bed Designed drain for rapid winterizing or servicing; Suitable for above ground or in-ground pools