Waterway Filter Plug / Collar Plate

Waterway filter collar plate / filter plug - used in flo pro skim filters diverter plates slip onto the top of the collar (left side of image). Plug slips into the top of the cartridge.

71mm overall height.
48mm above filter cartridge (below basket).
Slips into filter with 54mm diameter hole
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May be able to be used to replace R172465 Rainbow filter plug