Combining high tech 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.
Features:
- NSF Listed
- 2 1/2" internal piping
- 2 1/2" Valve Bulkhead Unions (includes 2" and 1 1/2" reducers)
- Fiberglass reinforced polypropylene body for superior strength
- “Multi-Handle” design
- Heavy-duty tamper-proof clamp with removal tool
- Industry proven quad-cartridge elements layout
- “Start-Service” dial on stainless steel pressure gauge
- 1 1/2" bottom clean-out port
- Convertible to D.E. by simply changing internals
Cluster of 4 cartridge elements for ease of maintenance and longer cleaning cycles.
Crystal Water Cartridge Filters
| Part No. | Size | NSF Flow Rate | Pool Turnover (6 hrs.) | Pool Turnover (8 hrs.) | Weight (lbs.) | List (US $) |
| 570-0325-07 | 325 sq. ft. | 112 GPM | 43,200 | 57,600 | 74 | 1,904.19 |
| 570-0425-07 | 425 sq. ft. | 150 GPM | 54,000 | 72,000 | 84 | 2,144.54 |
| 570-0525-07* | 525 sq. ft. | 150 GPM | 54,000 | 72,000 | 92 | 2,487.67 |
* Ideal for longer cleaning cycles
400-9974B
Bulkhead Fittings
| Part No. | Description | Case Quantity | Weight (lbs.) | List (US $) |
| 421-4071B | Reducer - 1 1⁄2" to 2" | — | — | 3.46 |
| 421-4201B | Reducer - 2 1⁄2" to 2" | — | — | 7.40 |
| 415-4211B | 2 1⁄2" Union Nut (2 required) | — | — | 13.12 |
| 417-2201B | 2 1⁄2" Tailpiece with Piston O-Ring Groove (2 required) | — | — | 8.25 |
| 805-0232B | O-Ring - 2 1⁄2" Union (4 required - 2 for each Bulkhead) | — | — | 2.19 |