Pool Filter Lab

Diameter chart

6" diameter filter cartridges

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

Dimensions in this diameter bucket

This page contains 58 replacement cartridges with lengths from 4-5/8" to 32-3/4"; measure the exact diameter and length before comparing rows. The most common end-cap configurations are top semi-circular handle with bottom 1-1/2” male thread/MPT, and top 1-15/16" / open with bottom 1-15/16" / open. The overlapping Unicel pages are 6000 series and Other series.

4–5" long

6" diameter, 4–5 inch length
UnicelPleatcoFilburDimensionsVerification
6CH-22PDS22P—6" × 4-5/8"single-source

5–6" long

6" diameter, 5–6 inch length
UnicelPleatcoFilburDimensionsVerification
C-6324——6-3/8" × 5-1/8"single-source
6CH-25PTL20W-SV-PPTL20W-SV-P4FC-03056" × 5-1/2"cross-checked against 3 sources
6CH-924——6" × 5-1/2"single-source

7–8" long

6" diameter, 7–8 inch length
UnicelPleatcoFilburDimensionsVerification
6CH-26PTL25W-SV-PFC-03106" × 7"cross-checked against 2 sources

8–9" long

6" diameter, 8–9 inch length
UnicelPleatcoFilburDimensionsVerification
6CH-352PAS40-F2MFC-03126" × 8"cross-checked against 2 sources
6CH-502PAS50SV-F2MFC-03116-3/4" × 8"cross-checked against 2 sources
C-6610PMS10FC-38406-1/4" × 8"cross-checked against 2 sources
C-6616PMS16FC-38306-1/4" × 8"cross-checked against 2 sources
C-6620PMS20FC-38406-1/4" × 8"cross-checked against 2 sources
6CH-49PPG50P4FC-03146" × 8-1/4"cross-checked against 2 sources
6CH-925——6" × 8-1/4"single-source
6CH-940PWW50PWW50P3FC-03596" × 8-1/4"cross-checked against 3 sources
6CH-941PWW100STFC-03606" × 8-1/4"cross-checked against 2 sources
6CH-942——6" × 8-1/4"single-source

9–10" long

6" diameter, 9–10 inch length
UnicelPleatcoFilburDimensionsVerification
C-6433PWK35FC-39206" × 9"cross-checked against 2 sources
6CH-47PTL47W-PPTL47W-P4FC-03156" × 9-1/8"cross-checked against 3 sources
6CH-402——6" × 9-1/2"single-source
C-6601PAQ25-OFC-30836" × 9-3/4"cross-checked against 2 sources
6CH-35PTL35W-PPTL35W-P4FC-03206" × 9-7/8"cross-checked against 3 sources

10–11" long

6" diameter, 10–11 inch length
UnicelPleatcoFilburDimensionsVerification
C-6330PWK30FC-39156" × 10-1/2"cross-checked against 2 sources
C-6430PWK30FC-39156" × 10-1/2"cross-checked against 2 sources

11–12" long

6" diameter, 11–12 inch length
UnicelPleatcoFilburDimensionsVerification
C-6600PWK25PWK40FC-39306-3/8" × 11-7/8"cross-checked against 2 sources
C-6625PJ25PJ25-4FC-14266-7/8" × 11-7/8"cross-checked against 2 sources

12–13" long

6" diameter, 12–13 inch length
UnicelPleatcoFilburDimensionsVerification
C-6405POX50FC-30636-1/16" × 12-1/16"cross-checked against 2 sources
6CH-45PTL45W-PPTL45W-P4FC-03306" × 12-3/8"cross-checked against 3 sources

13–14" long

6" diameter, 13–14 inch length
UnicelPleatcoFilburDimensionsVerification
C-6375——6-9/16" × 13-5/16"single-source
6CH-50PTL50W-SV-PPTL50W-SV-P4FC-03406" × 13-7/16"cross-checked against 3 sources
6CH-945——6" × 13-1/2"single-source
C-6445PFV40FC-30956-7/8" × 13-3/4"cross-checked against 2 sources

14–15" long

6" diameter, 14–15 inch length
UnicelPleatcoFilburDimensionsVerification
C-6350——6" × 14"single-source
C-6355——6" × 14"single-source
C-6475PTL50W W/SHPTL50W-PPTL50W-P4FC-30896" × 14-3/4"cross-checked against 3 sources
C-6603——6" × 14-3/4"single-source
C-6300PJW30FC-13406-7/8" × 14-7/8"cross-checked against 2 sources

15–16" long

6" diameter, 15–16 inch length
UnicelPleatcoFilburDimensionsVerification
6CH-960PJW60TL-F2SFC-28006-3/4" × 15-1/2"cross-checked against 3 sources
6CH-961PJW60TL-OT-F2SFC-27156-3/4" × 15-1/2"cross-checked against 3 sources
6CH-975——6-3/4" × 15-1/2"single-source

16–17" long

6" diameter, 16–17 inch length
UnicelPleatcoFilburDimensionsVerification
C-6602PSI65FC-30746" × 16-1/8"cross-checked against 2 sources
6CH-60PTL60W-PPTL60W-P4FC-03506" × 16-1/4"cross-checked against 3 sources

17–18" long

6" diameter, 17–18 inch length
UnicelPleatcoFilburDimensionsVerification
C-6617PC17FC-37416-1/2" × 17"cross-checked against 2 sources
6CH-959——6" × 17-1/2"single-source
C-6645PG45FC-30936-15/16" × 17-5/8"cross-checked against 2 sources
C-6407POX75FC-30646-1/16" × 17-3/4"cross-checked against 2 sources
C-6310——6-9/16" × 17-13/16"single-source

18–19" long

6" diameter, 18–19 inch length
UnicelPleatcoFilburDimensionsVerification
C-6408PAQ75FC-62106-1/16" × 18"cross-checked against 2 sources

19–20" long

6" diameter, 19–20 inch length
UnicelPleatcoFilburDimensionsVerification
C-6640PJ40PJ40-4FC-14406-15/16" × 19-3/8"cross-checked against 2 sources
C-6605——6" × 19-5/8"single-source
C-6650PSD50FC-27256-15/16" × 19-5/8"cross-checked against 2 sources
C-6950——6-1/4" × 19-5/8"single-source
6CH-75——6" × 19-3/4"single-source

20–21" long

6" diameter, 20–21 inch length
UnicelPleatcoFilburDimensionsVerification
C-6960——6-1/4" × 20-3/4"single-source

22–23" long

6" diameter, 22–23 inch length
UnicelPleatcoFilburDimensionsVerification
C-6622PC22FC-37466-1/2" × 22"cross-checked against 2 sources
C-6659PD60FC-40026-15/16" × 22-3/8"cross-checked against 2 sources

25–26" long

6" diameter, 25–26 inch length
UnicelPleatcoFilburDimensionsVerification
C-6970——6-1/4" × 25-1/2"single-source

26–27" long

6" diameter, 26–27 inch length
UnicelPleatcoFilburDimensionsVerification
C-6980——6-1/4" × 26-3/4"single-source

29–30" long

6" diameter, 29–30 inch length
UnicelPleatcoFilburDimensionsVerification
C-6660PJ60PJ60-4FC-14456-15/16" × 29-3/8"cross-checked against 2 sources

32–33" long

6" diameter, 32–33 inch length
UnicelPleatcoFilburDimensionsVerification
C-6900——6-1/4" × 32-3/4"single-source

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