Multiport Valve 50mm Pool Waterco S602-S1200Meet the Waterco Multiport Valve 50mm MPV, the genuine replacement top mount multiport for Waterco Micron sand filters. Designed to replace worn or leaking MPVs on S602 through S1200 models, this bolt down top mount valve delivers a reliable, long lasting filtration solution. With a 50mm flow path, an 8" neck, and a complete hardware kit, its built to handle regular pool maintenance and backwashing with confidence. Key features Genuine replacement top