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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SG25B
Description BULLFROG 25 (Hi Flo) - dis-continued replace with SG50B
Diameter(mm) 0
Length(mm) 0
Top Open with Lugs
Bottom 59mm SAE(coarse) Thread
Replaces
Pleatco
Unicel
Filbur
OEM RFIL20025B
Other
CommentsFits Nature2 stick. For Spa Industry Spas
DIS-CONTINUED - REPLACE WITH SG50B
BU50
Description BULLFROG 50
Diameter(mm) 200
Length(mm) 146
Top Semi circle handle
Bottom 59mm SAE(coarse) Thread
Replaces
Pleatco PBF50-F2S
Unicel 8CH-950
Filbur FC-0536
OEM 10-1035 RFIL20050B
Other SC771, 80503
CommentsAvailable in Microban
BU35
Description BULLFROG CORELESS 35
Diameter(mm) 196
Length(mm) 148
Top Open
Bottom Open
Replaces
Pleatco
Unicel
Filbur
OEM 10-00282
Other
CommentsPOST 2018
TO GO WITH ASSEMBLY 10-00417
MA50
Description CAL SPAS 50
Diameter(mm) 132
Length(mm) 317
Top Semi circle handle
Bottom 59mm MPT(fine) Thread
Replaces
Pleatco PPM50SC-F2M
Unicel 5CH-502
Filbur FC-0195
OEM
Other SC719, 50501
CommentsSame as Marquis spas 50
AVAILABLE IN MICROBAN
CAL75
Description CAL SPAS 75
Diameter(mm) 132
Length(mm) 409
Top Semi circle handle
Bottom 59mm MPT(fine) Thread
Replaces
Pleatco PCAL60-F2M
Unicel 5CH-752
Filbur
OEM
Other
Comments
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