Length:Length is measured from the outside edge of end cap to end cap, not including any handles, threads or slip fittings. 6-5/8"
Top:This is the actual inside hole diameter, excluding any taper.2-1/8" Open
Bottom:This is the actual inside hole diameter, excluding any taper.2-1/8" Open
Premium replacement for:Unicel:Unicel part numbers either start with a "C" or contain a "CH" like "C-8475RA" or "6CH-49".C-4405
Pleatco:Pleatco part numbers start with a "P" like "PWW100ST".PRB25SF-PAIR
Filbur:Filbur part numbers start with an "FC-" like "FC-0360".FC-2387
Other:817-5010, DSF50, FL1004, 12504, 20342
Very satisfied customer
I have a hard time finding filters locally to fit my hot tub but these fit perfect!
This feels are 👍great
Works just fine. Great price thanks!!
Fit perfectly on my hottub
These filters were of good quality, excellent price, free shipping, and fit my spa perfectly.
Great fit and great price.
Easy ordering, fair pricing and good delivery. Happy customer
Item as described and perfect product-price was fair, wish shipping was a bit faster but it was ok. .