Curated filter system
Hayward SwimClear C3020 replacement cartridge
Fits withCX570RECX570XREC-7477
cross-checked against 3 sourcesWhich cartridge fits?
The curated mapping points to the cartridge records below. Equivalent brands share the same verified dimensions where sources agree.
Primary cartridge specifications
Specifications shown for Unicel C-7477. Open its full record for conflicts, notes, and all fitments.
| Outside diameter | 7"Source values
|
|---|---|
| Length | 19-5/8"Source values
|
| Top cap | 3" / open w/ molded gasketSource values
|
| Bottom cap | 3" / open w/ molded gasketSource values
|
| Filter area | 75 sq ftSource values
|
Full record: Unicel C-7477. Cross-references include PA75SVFC-1260OC-719G
When the model label is missing
Measure outside diameter and end-to-end length, then compare the top and bottom openings. Manufacturer specifications override any cross-reference.