Aqua Ultraviolet UV Sterilizer Half Union, 3/4 inch Reducer Bushing, Without Threads, White

Aqua Ultraviolet UV Sterilizer Half Union, 3/4 inch Reducer Bushing, Without Threads, White. This can either be used as a replacement part for 2" Aqua Ultraviolet Sterilizers or to convert a 2" Sterilizer to 3/4 inch fittings. Includes o-ring.