Sta-Rite's Cristal-Flo sand filters feature a durable one-piece polyethylene design with innovative engineering that has maximized its dirt-handling capabilities. These filters allow extended filter cycle time, keeping maintenance to a minimum. Cristal-Flos offer sleek looks with a textured black finish that will provide superior performance in all weather conditions. * Polyethylene corrosion -proof tank * Combination water and sand drain makes servicing and winterizing easy * Six-position 1.5" valve with mounting hardware included