Magnum Filters produce a full range of spa pool and swimming pool filter cartridges. As well as pleated cartridges for the water purification industry.
Click Here to download 'Filter ID Form'
If you are a spa/pool manufacturer or distributor, we can design and manufacture filter cartridges to your specific requirements. Click here to submit your requirements.
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*You will be supplied with search results that are + and - 5mm within your search criteria.



| BU50 | |
|---|---|
| Description | BULLFROG 50 | 
| Diameter(mm) | 200 | 
| Length(mm) | 147 | 
| Top | Handle | 
| Bottom | 59mm SAE(coarse) Thread | 
| Replaces | |
|---|---|
| Pleatco | PBF50-F2S | 
| Unicel | 8CH-950 | 
| Filbur | FC-0536 | 
| OEM | 10-1035 RFIL20050B | 
| Other | SC771, 80503 | 



| MA50 | |
|---|---|
| Description | CAL SPAS 50 | 
| Diameter(mm) | 132 | 
| Length(mm) | 317 | 
| Top | Handle | 
| Bottom | 59mm MPT(fine) Thread | 
| Replaces | |
|---|---|
| Pleatco | PPM50SC-F2M | 
| Unicel | 5CH-502 | 
| Filbur | FC-0195 | 
| OEM | PPM505C | 
| Other | SC719, 50501 | 



| CAL75 | |
|---|---|
| Description | CAL SPAS 75 | 
| Diameter(mm) | 132 | 
| Length(mm) | 409 | 
| Top | Handle | 
| Bottom | 59mm MPT(fine) Thread | 
| Replaces | |
|---|---|
| Pleatco | PCAL60-F2M | 
| Unicel | 5CH-752 | 
| Filbur | |
| OEM | |
| Other | |


| CA101 | |
|---|---|
| Description | CALDERA 100 - 8300 | 
| Diameter(mm) | 203 | 
| Length(mm) | 420 | 
| Top | Open | 
| Bottom | Open | 
| Replaces | |
|---|---|
| Pleatco | PWK100 | 
| Unicel | C-8300 | 
| Filbur | FC-3966 | 
| OEM | 74817 | 
| Other | |



| CA100 | |
|---|---|
| Description | CALDERA 100 - 8399 | 
| Diameter(mm) | 203 | 
| Length(mm) | 420 | 
| Top | Handle | 
| Bottom | 89mm Lipseal | 
| Replaces | |
|---|---|
| Pleatco | PCD100W | 
| Unicel | C-8399 | 
| Filbur | FC-3965 | 
| OEM | 73722 | 
| Other | SC775, 81004 |