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Laguna Pressure-Flo 4000 UVC Pressure Filter
Item Code: PT1728

The new and improved Laguna Pressure-Flo 4000 pressurized pond filter eliminates green water and keeps your water healthy. The Laguna Pressure Flo 4000 provides mechanical filtration coupled with a powerful UVC sterilizer to produce a clear, clean and healthy pond environment for ponds up to 4000 gallons.

Simple to install and easy to maintain and clean, Laguna Pressure Flo filters are the heart that will keep your pond beautiful all season long.

The new Laguna Pressure Flo filters include a variety of improvements to simplify the maintenance process and provide more powerful filtration. Starting with the filter handles and diverter valve, each has been re-designed and strengthened. The cleaning handles now feature an ergonomically designed grip with re-enforced brush connections. The diverter valve has been re-shaped and enlarged to accommodate an improved cleaning indicator system and makes the patented Backwash Cleaning System easier to use. Yearly UV bulb maintenance has been simplified by improvements to UVC-Head.

Along with physical improvements to the filter body, the new filters also include increased filtration capabilities. The mechanical filter pads are now 10X stronger than the current pad foams to better maintain their rigid shape and performance. The UV sterilization functionality has been increased with larger, more powerful UV bulbs. Biological filtration has been improved with the conversion to Bio-Lava rock filter media. The Bio-Lava rock provides increased surface areas which promotes the growth of healthy bacteria, resulting in cleaner healthier water.

The Laguna Pressure-Flo 4000 is designed to work in tandem with a solids handling pump, such as the Laguna Max-Flo Waterfall and filter pump. With the filter connected to the pump, water enters the unit through a water inlet. It then passes through the mechanical filtration stage, consisting of highly durable foam filters that intercept and trap dirt and debris.

Dirt-free water then passes along an integrated 36W UV-C lamp, where it is exposed to ultraviolet rays that inhibit the growth of algae. Finally, water returns to the pond thoroughly cleansed. This patented system is the only one of its kind. Backwash cleaning can easily and comfortably be completed in a few minutes without opening the lid. This feature ensures that the filter performs at optimal levels and prolongs the time between full maintenance sessions. An easy-to-view cleaning indicator signals when it's time to perform backwash cleaning.

The unit can be installed in or above ground.

Laguna's pressurized pond filters feature:

built-in UVC on all 4 models

easy to use back wash valve to allow for easier quick filter cleaning

unique external handles allow for easy operation of internal cleaning system

2 cleaning blades remove debris from filter foams without opening the filter

multiple filter media

convenient cleaning indicator lets you know when the filter needs maintenance

viewing window allows quick and easy confirmation that UVC bulb is working

Laguna clear water guarantee

Designed for ponds up to 4000 gallons maximum. Rated for ponds up to 2000 gallons with medium to high fish populations and in full sun.

Features: built-in 36 watt UVC

Bio-Lava