Pentek U440-R Replacement Ultrafiltration Membrane (#355536-00)
Replacement ultrafiltration membrane for the Pentek U440 Ultrafiltration System
Alternate Part Number: 61595-03
While the Pentek U440 Freshpoint Ultrafiltration System is no longer manufactured, Pentair (the manufacturer) has stated that replacement membranes will be available until approximately 2022.

Pentek FreshPoint U440-R Replacement | MSRP: US$ Our Price: US$1,502.00 You save: $1,044.35 This item may have an extended lead time due to current supply chain challenges. Please call for more information regarding availability before ordering (Toll free 1-866-376-2690). Write a review. Found a Lower Price? Request a Price Beat |
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The Pentek U440-R Ultrafiltration hollow fiber membrane provides very fine point-of-entry filtration proven to reduce turbidity, particulates and cysts for safer, cleaner water at every tap. The membrane removes impurities as small as 0.025 microns.
For use in all Pentek FreshPoint U440 Ultrafiltration systems - not recommended for use in other models.
Features and Benefits:
- > 98% reduction of 0.025 micron (25 nanometer) particles*
- > 99.99% (> 4 Log) reduction of 0.065 micron (65 nanometer) particles*
- retains natural mineral content of the water
- multi-bore membrane structure combines seven single capillaries into one resistant structure to maximize membrane integrity, virtually eliminating the potential for fiber breakage
- high surface area and tolerance to plugging
- low pressure drop / high flow rates
- peak flow rates up to 10 gpm (2271 L/h)
* Performance based on MS-2 (25 nm) and PRD-1 (65 nm) virus particle tests. Data available upon request.