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.