PRESSURE FILTER 4000 WITH UV PRESSURE FILTER 4000 WITH UV $339.99 SKU: TET26555 QTY: Click here to save 5% off of your order! PRESSURE FILTER 4000 W/UV Maintains clear and healthy water. For ponds up to 4000 gallons. Maximum flow rate 2000 gallons. Includes a one step back flush cleaning system for no hassle maintenance. Biologically reduces ammonia in ponds. Quick to install and can be hidden in the ground. Built to last with durable components and materials. For out of pond use only. Water is pumped from a pump (not included) in the pond up to the filter then back to the pond from the filters discharge. All three ports are 1-1/4 MPT. Filter has 1-1/4 - 1-1/2 Step-down Barbed Intake and Discharge. I ntegrated Ultraviolet Light (requires electrical power). 15ft Power Cord.  Measures 15 D X 23 H.  Includes very thorough directions. Backed by a 2 year limited manufacturer's warranty. Includes: Filter sponges, bio media rings in media bag, 18 watt UVC Lamp, Transformer and quartz sleeve, back-flush outlet cap, 1-1/4 to 1-1/2 Step-down Barbed adapter for back-flush port.