Profile: Cascade Pools deals with swimming pools and spas. We deal with spa heaters, modular media filters, sand filters, pumps, automatic chlorine/bromine feeders, and top mount multi-port valves. The 3® sand filters remove dirt impurities from pools. They have dual drain plugs, namely, side plug and bottom plug. The side plug is used for sand removal, while the bottom plug comes with integral screen for easy draining without the loss of sand. The Raypak® 055 versa spa heater has polyturf textured powder coating. It has copper fin tube heat exchanger design with electronic ignition or millivolt pilot.