Pool Filter Lab

Diameter chart

9"+ diameter filter cartridges

44 rich records grouped by measured length. Check exact decimal or fractional values in each cartridge record.

Dimensions in this diameter bucket

This page contains 44 replacement cartridges with lengths from 8-1/4" to 34"; measure the exact diameter and length before comparing rows. The most common end-cap configurations are top 5-13/16" / open with bottom 6-1/16" / open, and top 6" / open with bottom 6" / open. The overlapping Unicel pages are 8000 series and 9000 series.

8–9" long

9"+ diameter, 8–9 inch length
UnicelPleatcoFilburDimensionsVerification
C-9443——9-1/4" × 8-1/4"single-source
C-9490——12-1/16" × 8-1/2"single-source
C-9405PAP50PAP50-4FC-068410-1/16" × 8-9/16"cross-checked against 3 sources

10–11" long

9"+ diameter, 10–11 inch length
UnicelPleatcoFilburDimensionsVerification
C-9650PJ50PJ50-4FC-14609-15/16" × 10"cross-checked against 3 sources

11–12" long

9"+ diameter, 11–12 inch length
UnicelPleatcoFilburDimensionsVerification
C-9601——9" × 11-7/16"single-source

13–14" long

9"+ diameter, 13–14 inch length
UnicelPleatcoFilburDimensionsVerification
C-9401PWW75PWW75-4FC-29609-15/16" × 13-5/16"cross-checked against 3 sources

14–15" long

9"+ diameter, 14–15 inch length
UnicelPleatcoFilburDimensionsVerification
C-9485PA85FC-12989-1/4" × 14-3/16"cross-checked against 3 sources
C-9475PJ75PJ75-4FC-14809-15/16" × 14-1/4"cross-checked against 3 sources
C-9480PJ80PJ80-4FC-140010" × 14-9/16"cross-checked against 3 sources

15–16" long

9"+ diameter, 15–16 inch length
UnicelPleatcoFilburDimensionsVerification
C-9602——9" × 15"single-source

16–17" long

9"+ diameter, 16–17 inch length
UnicelPleatcoFilburDimensionsVerification
C-9407PAP75PAP75-4FC-068510-1/16" × 16-1/8"cross-checked against 3 sources
C-9960——10-1/16" × 16-1/8"single-source

17–18" long

9"+ diameter, 17–18 inch length
UnicelPleatcoFilburDimensionsVerification
C-9444——9-1/4" × 17"single-source
C-9498——12-1/16" × 17"single-source
C-9492——11" × 17-15/16"single-source

19–20" long

9"+ diameter, 19–20 inch length
UnicelPleatcoFilburDimensionsVerification
C-9402PWW100PWW100-4FC-29659-15/16" × 19-5/16"cross-checked against 3 sources
C-9440PA100S—10-5/16" × 19-5/8"cross-checked against 2 sources
C-9499PA125FC-12999-1/4" × 19-5/8"cross-checked against 3 sources
C-9699PJ100PJ100-4FC-14909-15/16" × 19-7/8"cross-checked against 3 sources

20–21" long

9"+ diameter, 20–21 inch length
UnicelPleatcoFilburDimensionsVerification
C-9481PJ120PJ120-4FC-1400FC-140110" × 20-1/16"cross-checked against 3 sources

22–23" long

9"+ diameter, 22–23 inch length
UnicelPleatcoFilburDimensionsVerification
C-9603——9" × 22-5/8"single-source

23–24" long

9"+ diameter, 23–24 inch length
UnicelPleatcoFilburDimensionsVerification
C-9441PA150S—10-5/16" × 23-5/16"cross-checked against 2 sources
C-9450AM——9-15/16" × 23-5/16"single-source
C-9489AM——9-15/16" × 23-5/16"single-source
C-9410PAP100PAP100-4FC-068610-1/16" × 23-5/8"cross-checked against 3 sources
C-9412PAP118FC-069610-1/16" × 23-5/8"cross-checked against 2 sources
C-9430——10-1/16" × 23-5/8"single-source

24–25" long

9"+ diameter, 24–25 inch length
UnicelPleatcoFilburDimensionsVerification
C-9420PJ200PJ200-4FC-14989-15/16" × 24"cross-checked against 3 sources
C-9478PJ150PJ150-4FC-14959-15/16" × 24"cross-checked against 3 sources
C-9482PJ160PJ160-4FC-140210" × 24-5/16"cross-checked against 3 sources

25–26" long

9"+ diameter, 25–26 inch length
UnicelPleatcoFilburDimensionsVerification
C-9494——11" × 25-3/16"single-source
C-9495——11" × 25-3/16"single-source
C-9496——11" × 25-3/16"single-source
C-9403PWW150PWW150-4FC-29699-15/16" × 25-5/16"cross-checked against 3 sources
C-9404PWW200FC-29689-15/16" × 25-5/16"cross-checked against 2 sources

28–29" long

9"+ diameter, 28–29 inch length
UnicelPleatcoFilburDimensionsVerification
C-9421——10-5/8" × 28"single-source
C-9442PA200S—10-5/16" × 28-3/16"cross-checked against 2 sources

29–30" long

9"+ diameter, 29–30 inch length
UnicelPleatcoFilburDimensionsVerification
C-9483PJ200SPJ200S-4FC-140310" × 29-13/16"cross-checked against 3 sources

31–32" long

9"+ diameter, 31–32 inch length
UnicelPleatcoFilburDimensionsVerification
C-9415PAP150PAP150-4FC-068710-1/16" × 31-1/8"cross-checked against 3 sources
C-9417PAP175FC-069810-1/16" × 31-1/8"cross-checked against 2 sources
C-9419PAP200PAP200-4FC-068810-1/16" × 31-1/8"cross-checked against 3 sources
C-9990——10-1/16" × 31-1/8"single-source
C-9431——10-1/16" × 31-1/4"single-source

34–35" long

9"+ diameter, 34–35 inch length
UnicelPleatcoFilburDimensionsVerification
C-9422——10-5/8" × 34"single-source

A nominal diameter bucket includes fractional measurements. Use the exact dimension lookup and follow the measurement guide.