WaterWay Crystal Water Cartridge Filter, 325 sq.ft. (570-0325-07)

325 sq.ft. cartridge filter for in ground pools

SKU: 570-0325-07
Brand WaterWay


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The Crystal Water Cartridge Filter should be at the top of the list when considering swimming pool and spa filtration. Four cartridge elements make for longer cleaning cycles, which helps the Crystal Water Cartridge Filter to be the fastest growing choice for pool professionals. For the clearest, most inviting water, choose the Waterway

Combining high technology features and an easy to service design, the Crystal Water Cartridge Filter is ideal for new and replacement installations.

The only cartridge filter on the market with 2 1/2″ internal piping, improves flow and reduces system noise when using 2 1/2″, 2″ or 1 1/2″ plumbing. Using four cartridge elements, the Crystal Water Cartridge Filter offers a superior choice for easy maintenance and crystal clear, clean water.


  • 2 ½” Internal plumbing (largest in the industry) minimizes restrictions and improves water flow.
  • 2-1/2″ internal piping
  • 2-1/2″ Valve Bulkhead Unions (includes 2″ and 1 1/2″ reducers)
  • 2-1/2″ bottom clean-out port
  • Four-cartridge design simplifies element removal and extends time between cleaning cycles.
  • State-of-the-art internal design provides greater and more efficient filtration.
  • Chemical resistant fiberglass reinforced polypropylene tank for exceptional strength and long life.
  • Easy-out filter pack makes servicing easy
  • “Multi-Handle” lid design makes removing the lid easier and safer
  • Heavy-duty tamper-proof clamp
  • 3-year warranty on filter body (see warranty for details)
  • Start (Clean) – Dirty Indicator on Stainless Steel Pressure Gauge
  • Convertible to D.E. by simply changing internals
  • NSF Listed
  • Brochure (.pdf)
  • Instructions Manual (.pdf)
Additional information
Weight 70.0 lbs

25 x 25 x 38 in.

Filter Turnover


Manufacturer Number



Crystal Water Cartridge


One Year Limited

Filter Area

300 – 399 Sq. Ft.

Backwash Valve Included

None Included

Flow Rate

150 gpm



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WARNING: Some products can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go please visit www.p65warnings.ca.gov