Note: June 1st 2026: Due to company vacation website orders placed after the 3rd of June will not be processed until the 15th of June. For urgent orders please contact us, we may be able to accommodate. Our technical support is still available as usual. Well Water Systems and routine commercial orders still dispatch without interruption.

4021 Window Washing RO Membrane

It's difficult to beat this membrane for window washing applications. This Ultra Low Pressure (ULP) membrane fits in standard 4021 housings.

Specification:

150 Litres per hour / 950 GPD / 3.6m3/d rated
99.3% NaCl rejection in test conditions.
3.4m2 Effective Area
NSF-61

We have a range of other membranes should you require something different.

4021 Window Washing Membrane

Name: 4021 Window Washing Membrane
SKU: ULP4021

SKU: ULP4021

€170.00

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4021 Window Washing Membrane

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