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Filter Type 12 (4CH-21 / PDM25 / CH19)

£19.40
In stock
SKU
AF12

Grouped product items
Product Name Qty
Conventional Filter Type 12 (4CH-21)
£19.40

More Information
Filter Diameter (cm) 11.7cm (4 5/8")
Filter Length (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
Filbur Reference FC-0121
Unicel Reference 4CH-21
Pleatco Reference PDM25
Magnum Reference CH19
Darlley Reference 40191
Additional Reference SC716
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)

removable hot tub filter bezelNote : 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.

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