PWWCT200 / C-8419 / FC-1288
200 sq ft replacement filter cartridge • 8.9375″ OD × 21″ long
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Use the part-number links below to compare compatible cartridges. Prices and availability vary, so verify dimensions before ordering.
Cross-Reference & Interchangeable Part Numbers
| Brand | Part Number | Type |
|---|---|---|
| Pleatco | PWWCT200 | Primary |
| Unicel | C-8419 | Equivalent |
| Filbur | FC-1288 | Equivalent |
| OEM | Waterway 817-0200NB | Original Equipment |
| OEM | Clearwater 2 200 | Original Equipment |
Always verify dimensions and end-cap type before purchasing a replacement.
Compatible Pool Filter Systems
| Brand | Model |
|---|---|
| Waterway | Clearwater II 200 |
Frequently Asked Questions
What are the dimensions of the PWWCT200?
The PWWCT200 measures 8.9375 inches in outer diameter and 21 inches in length, with a open top and open bottom. It provides 200 square feet of filtration area. Always measure your existing cartridge or check the label inside the filter housing before ordering - outer diameter and length are the two critical dimensions, but end-cap style must also match.
What other part numbers are interchangeable with the PWWCT200?
The PWWCT200 is interchangeable with C-8419, FC-1288, and OEM equivalents including Waterway 817-0200NB, Clearwater 2 200. All of these share the same 8.9375" OD × 21" dimensions and open top / open bottom end caps. When buying a cross-reference, confirm the end-cap style matches - a small difference in cap design can prevent proper seating in your filter housing.
How often should I replace a PWWCT200 filter cartridge?
At 200 sq ft, the PWWCT200 is a large-format pool filter cartridge. In a residential pool with balanced chemistry and regular backwash cycles, most owners get 18-24 months of service before replacement is needed. Inspect the pleats every 3-4 months - if you notice channeling, torn fabric, or the cartridge won't rinse clean, replace it regardless of age.
How do I clean a PWWCT200 filter cartridge?
The PWWCT200 has open ends on both top and bottom, so water flows through freely. Remove the cartridge from its housing and rinse thoroughly with a garden hose, directing the stream at a 45-degree angle between the pleats - work from top to bottom, rotating around the cartridge. Avoid pressure washers, which collapse the pleats and permanently reduce filtration efficiency. For a deeper clean, soak the cartridge in a dedicated pool filter cleaner solution (following the product's dwell time instructions), then rinse completely before reinstalling. Having a spare cartridge on hand lets you swap and soak while the pool stays running.
Which hot tubs and spas use the PWWCT200 filter?
Refer to your spa's owner manual or the label inside the filter compartment to confirm compatibility. The part number is usually printed on the end cap of the existing cartridge.
Dimensions
Specifications
| Outer Diameter | 8.9375″ |
|---|---|
| Length | 21″ |
| Top Type | Open (no end cap) |
| Bottom Type | Open (no end cap) |
| Filtration Area | 200 sq ft |
| Primary Brand | Pleatco |
| Part Number | PWWCT200 |