New and Improved! The Matala BioSteps II External Gravity Filter is the new and improved filter that replaces the previous model (BSTP, BioSteps 10). This high quality pond filter combines mechanical filtration and biological filtration using Matala mats. Included Matala® filter mats provide state-of-the-art progressive filtration. The rugged BioSteps II contains an amazing 200 square feet of surface area for beneficial bacteria growth. Combined with a cross-flow design that traps and processes more debris at high flow rates, you get unparalleled mechanical and biological filtration for superior water quality. Includes 2 green pads, 2 blue pads, 2 gray pads for amazing filtering! Recommended flow rate is 800-900gph (no pump included) 1.5" inlet with swivel elbow fitting to fit 3/4", 1", 1.25", 1.5" tubing Outlet for 1.5" or 2" piping Bottom drain fitting for backwashing, includes drain plug Available with optional 16 Watt UV clarifier for improved water quality Constructed of automotive grade plastic capable of cold and hot environments Measures 20"L x 15"W x 23"H SKU Description BSTPII BioSteps II BSTPII-WF BioSteps II with Waterfall Weir BSTPII-16W BioSteps II with 16W UV Clarifier WF Waterfall Weir ONLY
