PRESSURE FILTER 2500 PRESSURE FILTER 2500 $174.99 SKU: TET26550 QTY: Click here to save 5% off of your order! 2500 PRESSURE FILTER Maximum pond size 2500 gallons. Maximum flow rate 1250 gph.  Overall height-20. The TetraPond® ClearChoice™ Pressure Filters force water through sponges and then through bio-rings to help maintain clear and healthy pond water. Its biological filtration converts harmful ammonia into relatively harmless nitrates. It is designed with an easy, one-step back-flush valve for cleaning sponges and bio-media. You can also bury to conceal and don’t have to worry about a leak due to its robust latches and O-ring seal.  If you later decide you want to add a UV clarifier to your pressure filter TetraPond® also provides UV upgrade kits.