Filter Type 12 (4CH-21 / PDM25 / CH19)
|Filter Diameter Measurement (cm)||11.7cm (4 5/8")|
|Filter Length Measurement (cm)||20.3cm (8")|
|Filter Top Finish||Handle|
|Filter Bottom Fitting||Fine 3.8cm (1 1/2") MPT Thread|
|Filtration Area (sq ft)||19 sq ft|
|Equivalent OEM Reference||Saratoga: 20245-238|
We know this filter fits the following makes of hot tub.
It is hard to keep up with all the manufacturers changes so it could also fit makes not shown here.Aegean D M Industries DreamMaker Spas Saratoga Spas Vita Spa Voyager Spa
Conventional Filter Type 12 (4CH-21)
Note : If replacing an old Pleatco brand threaded filter cartridge, be aware that these have a removable male pipe thread fitting which slip-fits into a hole in the bottom of the filter. You may need to unscrew the pipe fitting from your spa's filter housing if it did not come out with the old filter (many spa owners are not even aware that the fitting is still in there) before you can screw in your new filter.
The filters that we sell are moulded as a single piece, so that the threaded fitting always comes out of the spa with the filter.