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Spa Cartridges sorted by Brand Name (I - Z)

We make it easy to find the right cartridge!

Choosing the right filter cartridge for your pool or spa filter can be rather confusing.  After all, we offer more than 500 different filter cartridges at POOLplaza.com. We have come up with several ways to find the right cartridge for your pool or spa filter. Once you have found the right cartridge, it's important to double check the dimensions and other specifications to make sure you have the right one.

If you have any questions, do not hesitate to e-mail us.  We answer every single email we receive from our customers.  We want to make sure that you get the right product in a timely manner.

Wondering about the quality of Unicel Replacement Cartridges?  We sell our customers Unicel replacement cartridges whenever possible because they are manufactured to the same high standards as the originals, but the cost is often far less.  

How do I choose the right cartridge?


Click on Unicel# for more info or to purchase
Spa Name Pleatco Number Unicel # Length Width
ICON SPAS PH3.7-B C-2304 6" 2-3/4"
ICON SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
ICON SPAS PWW10 C-4310 4" 4-1/4"
IMPERIAL SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
J.E.M. SPAS PRB 25IN C-4625 13-5/16" 4-15/16"
J.E.M. SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
J.E.M. SPAS PCAL 100 C-4995 23-5/8" 4-15/16"
J.E.M. SPAS PTL 25WSV 6CH-26 7" 6"
JACUZZI WHIRLPOOL BATH PRB 12 C-2612 19-1/2" 2-7/8"
JACUZZI WHIRLPOOL BATH PJ 251N C-5625 13-5/16" 5"
JACUZZI WHIRLPOOL BATH PJW 23 C-5601 10-3/8" 5-11/16"
JACUZZI WHIRLPOOL BATH PJW25 C-5624 11-7/8" 5-3/4"
JACUZZI WHIRLPOOL BATH PJW 50 C-5300 10-3/8" 5-11/16"
JACUZZI WHIRLPOOL BATH PJW 30 C-6300 14-7/8" 6-7/8"
JETTA SPAS PTL 60W 6CH-60 16-1/4" 6"
LA SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
LA SPAS PTL47W 6CH-47 9-1/8" 6"
LA SPAS PCS 40 7CH-40 9-3/4" 7"
LA SPAS PTL50W C-6475 14-3/4" 6"
LEGEND SPAS PRB 17.5SF C-4401 4-5/8" 4-15/16"
LEGEND SPAS PRB 25SF C-4405 6-5/8" 4-15/16"
LEISURE BAY SPAS PTL 18 4CH-19 4-5/8" 4-5/8"
LEISURE BAY SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
LEISURE BAY SPAS PCAL 75 C-4970 23-5/8" 4-15/16"
LIFESTYLE SPAS OF CANADA PRB 17.5SF C-4401 4-5/8" 4-15/16"
LIFESTYLE SPAS OF CANADA PRB 25SF C-4405 6-5/8" 4-15/16"
LIFESTYLE SPAS OF CANADA PCS 40 7CH-40 9-3/4" 7"
MAAX SPAS (CANADA) PAB 251N 3 C-4326 13-5/16" 4-15/16"
MAAX SPAS (CANADA) PRB35IN3 C-4335 9-1/4" 4-15/16"
MAAX SPAS (CANADA) PRB 17.5SF C-4401 4-5/8" 4-15/16"
MAAX SPAS (CANADA) PRB 25SF C-4405 6-5/8" 4-15/16"
MAAX SPAS (CANADA) PRB 50IN C-4950 13-5/16" 4-15/16"
MARATHON SPAS PTL 20 4CH-30 11-7/8" 4-5/8"
MASTER SPAS PHC 25 4CH-20 6-3/4" 4-5/8"
MASTER SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
MASTER SPAS PTL 45W 6CH-45 12-3/8" 6"
MASTER SPAS PSN 50 8CH-66 9-1/4" 8"
MASTER SPAS PA 225 C-4325 11-7/8" 4-5/8"
MILLENNIUM SPAS PWW 40 C-4339 11-1/4" 4-15/16"
MILLENNIUM SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
MILLENNIUM SPAS PWW 50 6CH-940 8-1/4" 6"
MOONWATER SPAS PA 225 C-4325 11-7/8" 4-5/8"
MOONWATER SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
MOOSE MOUNTAIN SPAS PRB35IN3 C-4335 9-1/4" 4-15/16"
MOOSE MOUNTAIN SPAS PRB 25SF C-4405 6-5/8" 4-15/16"
MORGAN SPAS PRB 37IN C-4637 13-5/16" 4-15/16"
MORGAN SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
MORGAN SPAS PJ 35IN C-5635 13-5/16" 5"
MOUNTAIN MIST (MTN. SPRING SPA. MTN. MEADOW SPA. MTN. STREAM SPA) PTL 20HS 4CH-24 9-3/4" 4-5/8"
NEMCO PTL 20HS 4CH-24 9-3/4" 4-5/8"
NEMCO PTL 50 4CH-50 14-3/4" 4-5/8"
NEMCO PCP 20 C-4403 11-5/8" 4-5/8"
NEMCO DSF 25-50 C-4429 10-3/8" 4-15/16"
NEMCO PTL 20HS 4CH-24 9-3/4" 4-5/8"
NEMCO PCP 50 C-5405 15-5/8" 5-7/8"
NORDIC HOT TUBS PMT 27.5 C-4301 14-7/8" 4-15/16"
NORDIC HOT TUBS PA 225 C-4325 11-7/8" 4-5/8"
NORTHWEST SPA PRB 50IN C-4950 13-5/16" 4-15/16"
PACIFIC MARQUIS PPM 35 C-5423 11-7/8" 5-3/16"
PACIFIC MARQUIS PPM 25 C-5626 11-7/8" 5-3/16"
PACIFIC MARQUIS   C-5345 10-1/8" 5-5/16"
PACIFIC MARQUIS PPM 60 C-5434 19-5/8" 5-3/16"
PACIFIC MARQUIS PPM 40 C-5637 19-5/8" 5-3/16"
PACIFIC SPAS PTL47W 6CH-47 9-1/8" 6"
PACIFIC SPAS PTL47W 6CH-47 9-1/8" 6"
PAGEANT SPAS Unknown 4CH-21 8" 4-5/8"
PAGEANT SPAS PMT 45 C-4305 14-7/8" 4-15/16"
PAGEANT SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
PAGEANT SPAS PSI 45-0 C-4449 17-3/4" 4-15/16"
PAGEANT SPAS PSI 65 C-6602 16-1/8" 6"
PDC SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
PDC SPAS PA 25 C-7626 9-13/16" 7"
PDC SPAS PA 50 C-7656 19-5/8" 7"
PHOENIX SPAS PWW 50 6CH-940 8-1/4" 6"
PHOENIX SPAS PRB 37IN C-4637 13-5/16" 4-15/16"
PHOENIX SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
QCA SPAS PA 225 C-4325 11-7/8" 4-5/8"
QCA SPAS PCAL 100 C-4995 23-5/8" 4-15/16"
QCA SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
QUANTUM SPAS PTL 20HS C-4324 9-3/4" 4-5/8"
RIVER VALLEY SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
RIVER VALLEY SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
ROGERS SPAS PPM 25 C-5622 11-7/8" 5-3/16"
ROMANESQUE SPAS PPM 25 C-5622 11-7/8" 5-3/16"
ROMANESQUE SPAS PPM 30 C-5627 14-3/4" 5-3/16"
SAFARI SPAS PJW 23 C-5601 10-3/8" 5-11/16"
SAFARI SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
SAFARI SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SANTANA Unknown C-4428 9-13/16" 4-15/16"
SANTANA PPI25 C-4328 9-13/16" 4-15/16"
SANTANA Unknown C-4430 11-7/8" 4-15/16"
SANTANA PMT 45 C-4347 14-7/8" 4-15/16"
SANTANA Unknown C-4345 14-7/8" 4-15/16"
SANTANA PSI 45-0 C-4449 17-3/4" 4-15/16"
SANTANA PSI 45 C-4346 17-3/4" 4-15/16"
SARATOGA SPAS PHC 25 4CH-20 6-3/4" 4-5/8"
SARATOGA SPAS PTL 20 4CH-30 11-7/8" 4-5/8"
SARATOGA SPAS Unknown 4CH-21 8" 4-5/8"
SARATOGA SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
SEAHORSE SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SEASCAPE SPAS PTL 20 4CH-30 11-7/8" 4-5/8"
SEQUOIA SPAS PRB 25IN C-4625 13-5/16" 4-15/16"
SEQUOIA SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SEVEN SEAS SPAS PJW 23 C-5601 10-3/8" 5-11/16"
SEVEN SEAS SPAS PJ 251N C-5625 13-5/16" 5"
SEVEN SEAS SPAS PJW 50 C-5300 10-3/8" 5-11/16"
SIGNATURE SPAS PRB 25SF C-4405 6-5/8" 4-15/16"
SIGNATURE SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
SIGNATURE SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SOFTSIDER SPAS PTL 18 4CH-19 4-5/8" 4-5/8"
SOFTSIDER SPAS PHC 25 4CH-20 6-3/4" 4-5/8"
SOFTSIDER SPAS PCS 32 7CH-32 8" 7"
SOFTUB PHC 25 4CH-20 6-3/4" 4-5/8"
SOFTUB PTL 20WSV 6CH-25 5-1/2" 6"
SONOMA SPAS PWW10 C-4310 4" 4-1/4"
SONOMA SPAS PA 225 C-4325 11-7/8" 4-5/8"
SONOMA SPAS POD 25 C-5402 11-7/8" 5-1/2"
SONOMA SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SONOMA SPAS POD 40 C-5404 17" 5-1/2"
SONOMA SPAS PRB 100 C-4999 26-11/16" 4-15/16"
SONOMA SPAS PA 25 C-7626 9-13/16" 7"
SPA CREST PRB 50IN C-4950 13-5/16" 4-15/16"
SPA MANUFACTURERS INC. PTL 35W 6CH-35 9-7/8" 6"
SPA MANUFACTURERS INC. PTL 20HS C-4324 9-3/4" 4-5/8"
STREAMLINE SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
STREAMLINE SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUN BELT SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUN BELT SPAS PCAL 75 C-4970 23-5/8" 4-15/16"
SUN COUNTRY SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUNDANCE SPAS PTL 20 4CH-30 11-7/8" 4-5/8"
SUNDANCE SPAS PTL 35 4CH-35 16" 4-5/8"
SUNDANCE SPAS PMT 45 C-4305 14-7/8" 4-15/16"
SUNDANCE SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUNDANCE SPAS PSD 40 C-4440 16-3/4" 4-5/8"
SUNDANCE SPAS PSD 50 C-6650 19-5/8" 6-15/16"
SUNDANCE SPAS PSD 65 C-7465 14-3/4" 7-1/2"
SUNDANCE SPAS PSD 65-2 C-7466 14-3/4" 7-1/2"
SUNDANCE SPAS PSD 125 C-8320 18-1/8" 8-1/2"
SUNDANCE SPAS Unknown C-8325 18" 8-1/2"
SUNDANCE SPAS Unknown C-7370 17-3/4" 7-1/2"
SUNDANCE SPAS Unknown 7CH-90 19" 7"
SUNDANCE SPAS Unknown C-8326 19" 8-1/2"
SUNRISE SPAS PRB 25SF C-4405 6-5/8" 4-15/16"
SUNRISE SPAS PCS 50 7CH-50 14-3/4" 7"
SUNRISE SPAS PCS 50 7CH-50 14-3/4" 7"
SUNRISE SPAS PSN 50 8CH-66 9-1/4" 8"
SUNRISE SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUNSET SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
SUPERIOR SPAS PWW10 C-4310 4" 4-1/4"
SUPERIOR SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
THERMO SPAS OF CT PRB 17.5SF C-4401 4-5/8" 4-15/16"
THERMO SPAS OF CT PRB 25SF C-4405 6-5/8" 4-15/16"
THERMO SPAS OF CT PRB 25IN C-4625 13-5/16" 4-15/16"
THERMO SPAS OF CT PMT 27.5 C-4301 14-7/8" 4-15/16"
THERMO SPAS OF CT PWW 50 6CH-940 8-1/4" 6"
THERMO SPAS OF CT PWW10 C-4310 4" 4-1/4"
THERMO SPAS OF CT PTL 25WSV 6CH-26 7" 6"
TIARA SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
TIGER RIVER SPAS PWK 45N C-8465 10-1/2" 8-1/2"
US SPAS PAB 251N 3 C-4326 13-5/16" 4-15/16"
US SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
US TOOLING & SPAS PWW10 C-4310 4" 4-1/4"
US TOOLING & SPAS PRB 25SF C-4405 6-5/8" 4-15/16"
US TOOLING & SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
VIKING SPAS PMT 27.5 C-4301 14-7/8" 4-15/16"
VIKING SPAS PMT 35 C-4332 11-7/8" 4-15/16"
VITA SPAS (DM INDUSTRIES) PCS 40 7CH-40 9-3/4" 7"
VITA SPAS (DM INDUSTRIES) PCS 40 7CH-40 9-3/4" 7"
VITA SPAS (DM INDUSTRIES) PCS 50 7CH-50 14-3/4" 7"
VITA SPAS (DM INDUSTRIES) PCM 50 C-7650 19-5/8" 7"
VITA SPAS (DM INDUSTRIES) PVT 50W C-8350 7-1/4" 8-1/2"
VITA SPAS (DM INDUSTRIES) PCS 50 7CH-50 14-3/4" 7"
WARM SPRINGS SPA PRB 25IN C-4625 13-5/16" 4-15/16"
WARM SPRINGS SPA PRB 50IN C-4950 13-5/16" 4-15/16"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PWK30-220V C-5431 10-1/4" 5-1/8"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PWK 35 C-6433 9" 6"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PWK 30 C-6430 10-1/2" 6"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PWK 25/40 C-6600 11-7/8" 6-3/8"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PWK 45N C-8465 10-1/2" 8-1/2"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PTL 35 4CH-35 16" 4-5/8"
WATKINS MFG. (HOT SPRINGS. HOT SPOT. TIGER RIVER) PAB 251N 3 C-4326 13-5/16" 4-15/16"
WHITE SPRINGS SPAS PTL 20HS 4CH-24 9-3/4" 4-5/8"
WIND RIVER SPAS PRB35IN3 C-4335 9-1/4" 4-15/16"
WIND RIVER SPAS PRB 50IN C-4950 13-5/16" 4-15/16"
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