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The PENTAIR GRO membrane boasts exceptional water recovery rates, more than doubling that of standard Reverse Osmosis elements whilst still offering excellent average rejection rates.

Unlike other industry standard membranes which require a housing, the GRO is encapulated and features ¼  " push fit connections for quick and simple installation. The GRO uses a state-of-the-art

TLC (Thin Layer Composite) membrane to provide excellent water quality, with an average rejection rate of 96%, even at high input TDS.

The GRO is set apart from other membranes as it offers exceptional water recovery rates – more than doubling the recovery of standard membranes.

GRO membranes are tested and certified to NSF Standard 58 for materials and structural integrity.