Length:Length is measured from the outside edge of end cap to end cap, not including any handles, threads or slip fittings. 13-1/2"
Bottom:Inside Diameter (ID) of threads measures approx. 1-7/8.1-1/2" Female Thread
Premium replacement for:Unicel:Unicel part numbers either start with a "C" or contain a "CH" like "C-8475RA" or "6CH-49".4CH-949
Pleatco:Pleatco part numbers start with a "P" like "PWW100ST".PWW50L
Filbur:Filbur part numbers start with an "FC-" like "FC-0360".FC-0172
Other:817-4050, FIL50-5D13H15FCT-3, FIL11100208, X268553, 40508
The product is great so far.
Used in my home spa
I searched for a replacement filter for the hot tub that came with the house we bought. The information of the SpaDepot website made it possible to find the right filter. It arrived quickly and was just as described on the site. Perfect fit at a great price.
Ships fast. Good product
Decent prices Freight charges debatable Happy with product
Perfect fit for our spa and does the job extremely well.
Perfect fit for my hot tub
The filter fit perfectly in my hot tub, and works great
The filters work great
Spa depot is my go to for any spa needs