Pool Filter Lab

Curated filter system

Hayward SwimClear C4020 replacement cartridge

Fits withCX870RECX870XREC-7487
cross-checked against 3 sources

Which cartridge fits?

The curated mapping points to the cartridge records below. Equivalent brands share the same verified dimensions where sources agree.

Hayward SwimClear C4020 cartridge equivalents
UnicelPleatcoFilburDimensionsVerification
C-7487PA100NFC-12707" × 25-1/2"cross-checked against 3 sources

Primary cartridge specifications

Specifications shown for Unicel C-7487. Open its full record for conflicts, notes, and all fitments.

Cartridge specifications
Outside diameter7"
Source values
  • unicel 7"
  • pleatco 7"
Length25-1/2"
Source values
  • unicel 25-1/2"
  • pleatco 25-1/2"
Top cap3" / open w/ molded gasket
Source values
  • unicel 3" / open w/ molded gasket
  • pleatco 3
Bottom cap3" / open w/ molded gasket
Source values
  • unicel 3" / open w/ molded gasket
  • pleatco 3
Filter area100 sq ft
Source values
  • unicel 100
  • pleatco 100

Full record: Unicel C-7487. Cross-references include PA100NFC-1270OC-725B

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.

Measure the cartridge or search by dimensions.