PRESSURIZED FILTER 4000 WITH NO UV PONDMASTER: PRESSURIZED FILTER 4000 WITH NO UV ] $397.99 SKU: SUP05040 QTY: Click here to save 5% off of your order! Pressurized Filters: Pressurized Filter 4000 Gal (No UV)   Features a unique, manually operated agitator for dislodging over 90% of the pond residue that accumulates in the filter chamber. Easy to use valve can be switched to backwash, filter , rinse or waste. Optional UV available to convert this unit with a 40w UV. 25H 19 Dia. 18' cord. Filters up to 4000 gallons. Max pump flow 4000 gph. 2 FNPT fittings. 1 year warrantee.