Tetra - Pressure Filter Spare Part Kit Tetra - Pressure Filter Spare Part Kit Contains: (1) Green Vessel Latch(1) Vessel Large O-ring(1) New and old styles.This kit does not fit the PFL1500 sold at the big box stores. Small Waterfall Filter: Ahi Hydro Vortex™ Manual Backwash - $579.99 HydroFlush™ Backwash System - $819.99; Industrial Filter and Pump has over 75 years of experience in fabricating thousands of filters, pumps, clarifiers, and related liquid separation equipment for numerous different applications. Call us today at (708) 656-7800! Skip to Main Content. Departments. Services Alpine Corporation 15 in. Tall Bio-Pure Pressure UV-C Filter, 1000 Gallon. Model# PLF1000U (16) $ 192 00. POND BOSS 900 Gal. Pressurized Pond Filter. Model# 52360 (2) $ 86 99. 1; 2; 3; Showing 1-12 of 36 results. Related Searches. pond supplies waterfall spillway pond filter pond pump and filter algreen filters Item # 2532713. Model # 26563. Shop Tetra. 0. MECHANICAL FILTRATION: Pond water flows down through the bio-activators, which remove suspended debris and dirt from the water. BIOLOGICAL FILTRATION: Maximized surface area on the bio-activators allow beneficial bacteria to colonize and attack harmful pollutants in the water. This pressure filter works to keep your pond clean while reducing harmful ammonia levels. It's suitable for use with ponds from 500 to 1,500 gallons.