New from Matala, this easily installed pre filter can be used as a prefilter or small bio filter. Helps to prevent flow reduction due to premature clogging and extends pump performance and life. Stepped hose tail connector for 1", 1.25" and 1.5" hose. Max pump size 1980 gph if used as a prefilter and 660 gph if used as a small bio-filter.