Diameter chart

8" diameter filter cartridges

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

Dimensions in this diameter bucket

This page contains 64 replacement cartridges with lengths from 5-3/4" to 39"; measure the exact diameter and length before comparing rows. The most common end-cap configurations are top 4" / open w/ molded gasket with bottom 4" / open w/ molded gasket, and top 4-3/16" / open with bottom 4-3/16" / open w/ 12 concentric slots. The overlapping Unicel pages are 8000 series and Other series.

5–6" long

8" diameter, 5–6 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-951	PBF36	FC-9949	8" × 5-3/4"	cross-checked against 2 sources

6–7" long

8" diameter, 6–7 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-950	PBF35PBF50	FC-0536	8" × 6"	cross-checked against 3 sources
C-8341	PMA40-2003-RPMA45-2004-R	FC-1007	8" × 6-3/4"	cross-checked against 3 sources

7–8" long

8" diameter, 7–8 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-502	—	—	8-1/2" × 7-1/4"	single-source
C-8350	PVT50W	FC-3053	8-1/2" × 7-1/4"	cross-checked against 2 sources

9–10" long

8" diameter, 9–10 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8450	PCS50N	FC-3310	8" × 9"	cross-checked against 3 sources
8CH-66	PMA60PMA60-F2M	FC-0515	8" × 9-1/4"	cross-checked against 2 sources
UHD-SR35	PSR35-4	FC-2520	8-11/16" × 9-3/4"	cross-checked against 2 sources

10–11" long

8" diameter, 10–11 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8448	PAST50	FC-0900	8-15/16" × 10-1/16"	single-source
C-8449	—	—	8-15/16" × 10-1/4"	single-source
C-8465	PWK45NPWK65	FC-3960	8-1/2" × 10-1/2"	cross-checked against 3 sources
C-8340	PA40SF	FC-1295	8-1/2" × 10-3/4"	cross-checked against 2 sources

11–12" long

8" diameter, 11–12 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-60	PIF60PIF60-F2M	FC-0510	8" × 11-5/8"	cross-checked against 2 sources

12–13" long

8" diameter, 12–13 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-852AM	—	—	8" × 12-3/4"	single-source

13–14" long

8" diameter, 13–14 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8475	PCS75N	FC-3320	8" × 13"	cross-checked against 3 sources
UHD-SR50	PSR50-4	FC-2530	8-11/16" × 13-5/16"	cross-checked against 2 sources

14–15" long

8" diameter, 14–15 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8380	PSD85-2002	FC-2810	8-7/16" × 14"	cross-checked against 3 sources

15–16" long

8" diameter, 15–16 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8474	PAST75	FC-0901	8-15/16" × 15"	cross-checked against 2 sources
C-8310	PRW100	FC-3570	8-1/2" × 15-3/16"	cross-checked against 2 sources
8CH-102	PSD95-F2L	FC-2781	8" × 15-1/2"	cross-checked against 2 sources

16–17" long

8" diameter, 16–17 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8300	—	—	8" × 16-1/2"	single-source
C-8399	PCD100W	FC-3965	8" × 16-1/2"	cross-checked against 3 sources

17–18" long

8" diameter, 17–18 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-800	PA80-4	—	8-1/2" × 17-3/8"	single-source
C-900	PA90-4	—	8-15/16" × 17-3/8"	single-source
C-8311	PXST100	FC-1285	8-15/16" × 17-3/8"	cross-checked against 3 sources
C-8409	PA90	FC-1292	8-15/16" × 17-3/8"	cross-checked against 3 sources
C-8411	PA76	FC-1256	8-15/16" × 17-3/8"	cross-checked against 3 sources
C-8600	PA80	FC-1280	8-1/2" × 17-3/8"	cross-checked against 3 sources

18–19" long

8" diameter, 18–19 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
8CH-202AM	—	—	8" × 18"	single-source
C-8325	PSD125U	FC-2790	8-7/16" × 18"	cross-checked against 2 sources
8CH-202	PUST120	FC-0517	8" × 18-1/16"	single-source
C-8320	PSD125	FC-2750	8-7/16" × 18-1/8"	cross-checked against 2 sources
UHD-SR70	PSR70-4	FC-2540	8-11/16" × 18-3/16"	cross-checked against 2 sources

19–20" long

8" diameter, 19–20 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8326	PSD125-2000	FC-2780	8-7/16" × 19"	cross-checked against 3 sources
C-8327	—	—	8-7/16" × 19"	single-source
C-8401	PDM75	FC-1970	8-7/8" × 19-1/2"	cross-checked against 2 sources
C-8402	PDM90	FC-1971	8-7/8" × 19-1/2"	cross-checked against 2 sources
C-8403	PDM120	FC-1972	8-7/8" × 19-1/2"	cross-checked against 2 sources
C-8408	—	—	8-15/16" × 19-5/8"	single-source
C-8499	PAST100	FC-0902	8-15/16" × 19-11/16"	cross-checked against 2 sources

22–23" long

8" diameter, 22–23 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8315	PRW150	FC-3575	8-1/2" × 22-11/16"	cross-checked against 2 sources

23–24" long

8" diameter, 23–24 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-1100	PA100-4	—	8-9/16" × 23-1/8"	single-source
C-1200	PA120-4	—	8-15/16" × 23-1/4"	single-source
C-8316	PXST150	FC-1286	8-15/16" × 23-5/16"	cross-checked against 2 sources
C-8317	PXST175	FC-1273	8-15/16" × 23-5/16"	cross-checked against 2 sources
C-8410	PJANCS100	FC-0821	8-15/16" × 23-5/16"	cross-checked against 2 sources
C-8412	PA120	FC-1293	8-15/16" × 23-5/16"	cross-checked against 3 sources
C-8414	PJANCS150PWWCT150	FC-0822FC-1287	8-15/16" × 23-5/16"	cross-checked against 3 sources
C-8419	PWWCT200	FC-1288	8-15/16" × 23-5/16"	cross-checked against 2 sources
C-8610	PA100	FC-1290	8-1/2" × 23-5/16"	cross-checked against 3 sources

24–25" long

8" diameter, 24–25 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8415	PAST150	FC-0903	8-15/16" × 24-7/16"	cross-checked against 2 sources

25–26" long

8" diameter, 25–26 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
UHD-SR100	PSR100-4	FC-2550	8-11/16" × 25-11/16"	cross-checked against 2 sources

28–29" long

8" diameter, 28–29 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8413	PWWPC125B	FC-2575	8-15/16" × 28-3/16"	cross-checked against 2 sources
C-8416	PWWPC150B	—	8-15/16" × 28-3/16"	cross-checked against 2 sources
C-8417	PA175	FC-1294	8-15/16" × 28-3/16"	cross-checked against 3 sources
C-8420	PWWPC200	FC-1211	8-15/16" × 28-3/16"	cross-checked against 2 sources
C-1750	PA175-4PA175-M	—	8-15/16" × 28-9/16"	single-source

29–30" long

8" diameter, 29–30 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8319	PXST200	FC-1274	8-15/16" × 29-7/16"	cross-checked against 2 sources

31–32" long

8" diameter, 31–32 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
UHD-SR137	PSR137-4	FC-2570	8-11/16" × 31-1/4"	cross-checked against 2 sources

33–34" long

8" diameter, 33–34 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8418	PJANCS200	FC-0823	8-15/16" × 33-1/8"	cross-checked against 2 sources
C-8425	PJANCS250	FC-0824	8-15/16" × 33-1/8"	cross-checked against 2 sources

34–35" long

8" diameter, 34–35 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
UHD-SR135	PSR135-4	FC-2560	8-11/16" × 34-1/2"	cross-checked against 2 sources

39–40" long

8" diameter, 39–40 inch length
Unicel	Pleatco	Filbur	Dimensions	Verification
C-8405	—	—	8-7/8" × 39"	single-source
C-8406	—	—	8-7/8" × 39"	single-source

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