Clearguard Model 2.7 Pressurized Filter 2700 Gal Pond Uv. #056152700 Gallon Capacity, with UV Light Fittings: 1 Slip & Barb Recommended Water Pumps: up to 3000 GPH Maximum Pressure: 15 PSI Backwash Air Kit Needed: SMALL (Item #15660 w AP 40) Clearguard Specifications OVERALL FEATURES INCLUDE: Easy to use Versatile with 7 Functions: Filter, backwash, Rinse, Winterize, Empty, Circulate, and Close Reusable Pad Removes Fine Debris and polishes Water Fast! Combination of biological & Mechanical Media for Maximum Water