Pool Filter Lab

Curated filter system

Pentair Predator 50 replacement cartridge

Fits withR17321359054000C-9405
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.

Pentair Predator 50 cartridge equivalents
UnicelPleatcoFilburDimensionsVerification
C-9405PAP50PAP50-4FC-068410-1/16" × 8-9/16"cross-checked against 3 sources

Primary cartridge specifications

Specifications shown for Unicel C-9405. Open its full record for conflicts, notes, and all fitments.

Cartridge specifications
Outside diameter10-1/16"
Source values
  • unicel 10-1/16"
  • pleatco 10"
Length8-9/16"
Source values
  • unicel 8-9/16"
  • pleatco 8-5/8"
Top cap6" / open
Source values
  • unicel 6" / open
  • pleatco 6
Bottom cap6" / open
Source values
  • unicel 6" / open
  • pleatco 6
Filter area50 sq ft
Source values
  • unicel 50
  • pleatco 50

Full record: Unicel C-9405. Cross-references include PAP50PAP50-4FC-0684OC-J08A

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.