Carvin Laser L250C 7C 25" Top Mount 1 1 2" Valve Sand Filter (94089250) relayscontactors Helps restore proper internal water Helps restore proper internal water movement helping simplify niche repair work and support more dependable restoration of the lighting area A sand filter like this is useful because it provides a proven media based filtration method that helps remove debris from the water while supporting familiar service routines This version with a 1 1 2 inch top mount valve is especially useful when a compatible filter needs replacement or when the application calls for a larger top mount sand filter with this connection style