1 HP 19" 115V Waterway TWM Above Ground Pool Sand Filter system Complete Sand Filter System with 1hp pump Complete with hoses & 7-Position Valve Center discharge pump with debris basket with see thru cover 19" = 20,160 Gallons Per 8 Hours (42 GPM) excellent system for most above ground pools 18' to 21' 10 year prorated warranty on tank body - 1 year warranty on pump and motor Automatic Overload Protection - 1.5" Inlet/Outlets - 2.0 sq.ft. Rugged, corrosion proof, high filtration area, and one piece body. The TMW Sand Filter features a seven function top mount valve for maximum control over the filter system, and easy-to-install snap-in & twist laterals with large surface area for maximum flow. Durable roto-molded tank body is spherical to evenly distribute the pressure resulting in greater strength and longer life of the filter. Corrosion-Proof Body; Fine spray internal diffuser for even water distribution. Center discharge pump 1HP with large 6" leaf trap with clear lid; 3' 115 volt power cord. The filters feature durable fiberglass-reinforced tanks, lockring tank clamp for safety, and continuous internal air relief. Like all Pentair cartridge filter systems, systems feature cleanable, recyclable filter cartridges for the ultimate in carefree pool filtration.