The Sta-Rite Posi-flo II glass-reinforced thermoplastic pool and spa cartridge filters have been designed for residential and commercial pools and spas, installed indoors or out. Precision moulded of a proprietary blend of glass-reinforced thermoplastic.
The extremely efficient balanced flow cartridge yields the industry's highest dirt-loading capacity. No other cartridge filter provides more value to any pool or spa
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Sta-Rite is proud to introduce the System 3 cartridge design... and brings you the product that makes Ultra Capacity Filtration™ a reality. No longer simply “cartridges”, Sta-Rite's advanced technology has brought an entirely new class of filtration to the industry.
Sta-Rite's modular media concept incorporates the latest in media science, perfectly balanced flow, and an integral manifold design: namely, Ultra Capacity Filtration.
This filtration concept puts totally care-free operation within reach of today's pool owners

Their compact design makes these cartridge filters easy to handle and store, and they are available in five different models to suit almost any pool or spa installation.

Features:
- Special top-loading filter housing for ease of cartridge removal for cleaning or replacement.
- All metal quick-release clamp, for ease of service and maintenance with the added benefit of providing positive sealing.
- Easy to read pressure gauge shows whether the filter requires cleaning.
- Reinforced polyester cartridge for longer filter cycles between cleaning.

These cartridge filters set new standards for efficiency and ease of use, and are available in two sizes – 60sq.ft. and 90sq.ft.

Features:
- Special top-loading filter housing for easy cartridge removal for cleaning or replacement.
- All metal quick-release clamp, for ease of service and maintenance with the added benefit of providing positive sealing.
- Easy-to-read pressure gauge shows whether the filter requires cleaning