20" X 4-½" Big Polyspun-Alpine Pure Gradient Density-1 Micron

20 micron down to 1 Micron Density.

* Complies with NSF/ANSI Standard 42 for Quality Assurance

* Grooved Exterior for increased Surface Area

* 2 Different Micron Layers for Maximum Depth Filtration

* 2 Different Micron Layers for Longer Lasting Maximum Flow

* Factory Heat Stamped Micron Rating for Ease of Reordering

* 100% Polypropylene

* No Binders

* No Glue

* Dependable

* Our No 1 requested Cartridge, unique grooved outer layer holds more dirt and impurities than normal depth poly spun or pleated filters.

*** Please note this filter is not the normal Polyspun Depth Cartridge it is the highest quality Twin Gradient Density, complying with NSF/ANSI Standard 42.

Suitable for all 20 inch Big Blue, Big White and Jumbo housings.
AU$ 74.90
AU$ 52.50 including GST
20 B PS GD 01
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