Spa Filters by Dimension

Find your spa filter model by measuring your hot tub filter. Taking the actual measurements of the filter and noting how both ends of the filter look will help you order the correct replacement spa filter. 

If you know your filter model number, enter it in the search box at the top or find your filter model number below based on your filter measurements. See list prices here below, then click through for the best deals on filters in Canada.

Search by Filter Model Number – Enter Model Number in the Search Box at the top.

OR – Search by Filter Dimensions to find model number below.  Here are 4″ wide to 10″ wide cartridge filter listings.

OR – Take a picture of your filter and measure length, outer diameter, inner diameter and describe both ends of the filter (inner hole, top handle, bottom threaded connector…) and send it to us by email at info@spafilters.ca and you will have an answer within 24 hours (usually same day).

Measure Spa Filter with Ruler

4″ Diameter Spa Filters      All Pricing in Canadian Dollars

Part Number Diameter Length Top/ Hole Bottom/Hole Sq.Ft. List Price Pleatco Ref. Unicel Ref. Filbur
C-4310 4‐1/4 4.0 2‐1/16 2‐1/16 10 17.90 PWW10 C‐4310 FC‐3077
4ch-22 4‐5/8 6‐5/8 2‐1/8 1‐1/2 MPT 19 28.00 PFF25P4 4CH‐22 FC‐2399
4ch-24 4‐5/8 9‐3/4 Handle 1‐1/2 MPT 25 29.00 PGS25P4 4CH‐24 FC‐0131
C-4312 4‐5/8 11‐7/8 2‐1/16 2‐1/16 12 24.43 PA12 C‐4312 FC‐1210
4ch-925 4‐3/4 7‐1/16 Handle 1‐1/2 SAE 20 28.50 PSANT20‐P3 4CH‐925 n/a
2540-384 4‐3/4 8.0 Closed/Handle 2.0 SAE 25 35.50 2540‐384 (OEM#) n/a
4ch-24 4‐3/4 8‐1/8 Handle 1‐1/2 MPT 25 31.00 PDM25P4 4CH‐24 FC‐0126
2540-387 4‐3/4 12‐1/2 Closed/Handle 2.0 SAE 35 36.53 2540‐387 (OEM#)  
4ch-50 4‐3/4 14‐3/4 Handle 1‐1/2 MPT 50 49.00 PTL50P‐4 4CH‐50 FC‐0151

5” Diameter Spa Filters

C-4401 5.0 4‐5/8 2‐1/8 2‐1/8 35 9 pr. 35.95 PRB17.5SF‐PAIR C‐4401 FC‐2386
C-4302 5.0 4‐3/4 Handle 1‐7/8 18 9 21.05 PSS17.5 C‐4302 FC‐0183
C-4405 5.0 6‐5/8 2‐1/8 2‐1/8 50 9 pr. 53.00 PRB25SF‐PAIR C‐4405 FC‐2387
C-4335 5.0 9‐1/4 2‐1/8 2‐1/8 35 9 33.00 PRB35‐IN C‐4335 FC‐2385
4ch-949 5.0 13‐1/16 Handle 1‐1/2 F*SAE 50 9 40.54 PWW50L 4CH‐949 FC‐0172
C-4326 5.0 13‐5/16 2‐1/8 2‐1/8 25 9 25.00 PRB25‐IN C‐4326 FC‐2375
C-4637 5.0 13‐5/16 2‐1/8 2‐1/8 37 9 44.00 PRB37‐IN‐4 C‐4637 FC‐2380
C-4950 5.0 13‐5/16 2‐1/8 2‐1/8 50 9 42.47 PRB50‐IN C‐4950 FC‐2390
Disposable 5.0 13‐5/16 2‐1/8 2‐1/8 800** 9 42.47 PRB50‐IN C‐4950 FC‐2390
C-4975 5.0 20‐1/8 2‐1/8 2‐1/8 75 9 58.00 PRB75 C‐4975 FC‐2935
C-4970 5.0 23‐5/8 2‐1/8 2‐1/8 75 9 72.00 PCAL75 C‐4970 FC‐2930
C-4995 5.0 23‐5/8 2‐1/8 2‐1/8 95 9 79.00 PCAL100 C‐4995 FC‐2940
5ch-402 5‐1/4 9‐7/8 Handle 2.0 MPT 40 9 42.00 PJW40SC‐F2M 5CH‐402 FC‐2811
C-5345 5‐5/16 10‐1/8 2‐1/8 2‐1/8 50 9 43.00 PLBS50 C‐5345 FC‐2970
C-5374 5‐5/16 14‐3/4 2‐1/8 2‐1/8 75 9 58.00 PLBS75 C‐5374 FC‐2971
C-5396 5‐3/8 21‐5/16 2‐1/8 2‐1/8 80 9 72.00 PCST80 C‐5396 FC‐2975
C-5351 5‐3/8 30‐1/8 2‐1/8 2‐1/8 120 9 99.00 PCST120 C‐5351 FC‐2976
5ch-35 5‐3/4 8‐7/16 Handle 1‐1/2 MPT 35 9 39.00 PMAX50P4 5CH‐35 — — —
5ch-35sae 5‐3/4 8‐7/16 Handle 1‐1/2 SAE 35 9 39.00 PMAX50P3 5CH‐35SAE — — —
* FEMALE / FEMELLE ** DEPTH FILTER / FILTRE en PROFONDEUR       1‐1/2” MPT = FINE THREAD / FILLETAGE FIN  

6” Diameter Spa Filters

6ch-25 6.0 5‐1/2 Handle/Poignée 1‐1/2 MPT 20 9 39.00 PTL20W‐SV‐P‐4 6CH‐25 FC‐0305
6ch-940 6.0 7‐5/8 Handle/Poignée 1‐1/2 SAE 40 9 44.00 PWW50P3 6CH‐940 FC‐0359
6ch-940mpt 6.0 7‐5/8 Handle/Poignée 1‐1/2 MPT 40 9 47.00 PWW50P4 6CH‐940MPT — — —
6ch-49 6.0 8.0 Handle/Poignée 1‐1/2 MPT 40 9 49.00 PPG50P4 6CH‐49 — — —
6ch-47 6.0 8‐1/2 Handle/Poignée 1‐1/2 MPT 47 9 47.00 PTL47W‐P 6CH‐47 FC‐0315
2000-498 6.0 13‐1/2 Cap/Handle 2.0 SAE 40 12 49.50 2000‐498 (OEM#)
2540-383 6.0 19 Cap/Handle 2.0 SAE 75 12 74.50 2540‐383 (OEM#)
6ch-960 6‐5/8 14‐7/8 Handle/Poignée 2.0 SAE 60 9 59.00 PJW60TL‐F2S 6CH‐960 FC‐2800
6000-383a 6‐5/8 15‐7/16 Cap/Handle 2.0 SAE 60 9 63.80 6000‐383A (OEM#)
pas50sv-f2m 6‐3/4 8.0 Handle/Poignée 2.0 MPT 50 4 48.72 PAS50SV‐F2M 6CH‐502 FC‐0311

7″ Diameter Spa Filters

Part Number Diameter Length Top Hole Bottom Hole Sq.Ft. List Price Pleatco Ref. Unicel Ref. Filbur
C-7626 7.0 9‐11/16 3.0 3.0 25 4 49.00 PA25‐4 C‐7626 FC‐1230
C-7656 7.0 19‐3/4 3.0 3.0 50 4 74.00 PA50 C‐7656 FC‐1240
C-7488 7.0 25‐1/2 3.0 3.0 106 4 115.00 PA106 C‐7488 FC‐1226
7ch-40 7‐1/16 9‐7/8 Handle 1‐1/2 MPT 40 4 49.00 PVT40P 7CH‐40 FC‐0435
7ch-50 7‐1/16 14‐13/16 Handle 1‐1/2 MPT 50 4 63.00 PVT50P 7CH‐50 FC‐0463
7ch-32 7‐1/8 8‐1/16 Handle 1‐1/2 MPT 32 4 44.00 PCS32P 7CH‐32 FC‐0425

Also available C-7471 compatible cartridge filter and 8CH-502 compatible filter

 8” Diameter Spa Filters

C-8450 8.0 9.0 2‐1/8 2.0 Slip 50 4 69.00 PCS50N C‐8450 FC‐3310
C-8475 8.0 13.0 2‐1/8 2.0 Slip 75 4 76.00 PCS75N C‐8475 FC‐3320
2540-381 8.0 15‐1/2 Closed/Handle 2.0 MPT 95 4 99.90 2540‐381 (OEM#)  
FC-1007 8‐1/4 6‐7/8 4‐1/16 4‐1/16 45 4 63.00 PMA45‐2004‐R C‐8431 FC‐1007
C-8411 8‐15/16 17‐3/8 4.0 4.0 75 4 97.00 PA76 C‐8411 FC‐1256
C-8412 8‐15/16 23‐1/4 4.0 4.0 120 4 106.23   PA120 C‐8412 FC‐1293

10” Diameter Spa Filters

C-9405 10.0 8‐5/8 6.0 6.0 50 4 86.56 PAP50‐4 C‐9405 FC‐0684
C-9410 10‐1/16 23‐5/8 6.0 6.0 100 4 122.00 PAP100‐4 C‐9410 FC‐0686
C-9415 10‐1/16 31‐1/8 6.0 6.0 150 4 159.58  PAP150‐4 C‐9415 FC‐0687
C-9419 10‐1/16 31‐1/8 6.0 6.0 200 4 198.90  PAP200‐4 C‐9419 FC‐0688

Click on the model number above to find your filter.

Don’t see the filter you need here?  Shoot us a quick email at info@spafilters.ca with your filter dimensions and we will send you the correct link.  Pictures are helpful but not necessary.