Clarathon Spa Filter FC-2380 PRB37-IN-4 C-4637

Clarathon Filter FC2380

Clarathon Spa Filter FC-2380 PRB37-IN-4 C-4637

Regular price $24.95
  • In stock, ready to ship
  • Inventory on the way
Ships next business day.
Clarathon® Premium Ultra Filters for hot tubs last longer, while providing higher performance. You cannot buy a better spa filter at any price.


Type: Open non-threaded filter cap. Drop-In

Diameter:Measured across end cap at widest point.5"

Length:Measured end cap to end cap, excluding any handles, threads, fittings or protrusions. 13¼"

Top:Hole inside diameter. 2⅛" Open

Base:Hole inside diameter. 2⅛" Open

Media:Material sq ft & weight per sq yd.37 SF-4oz

Cross reference numbers: Unicel: C-4637, Pleatco: PRB37-IN-4, Filbur: FC-2380, 13701, 40371

Associated brands: Custom Molded Products, Morgan Spas, Rainbow Pentair, Waterway

Customer Reviews

Based on 8 reviews
drew n.
Perfect fit

Good quality filter

Just what I needed

Needed a new filter and got the perfect one.

Don M.
Good product

Site easy to use.

Great replacement

We bought this because our other one was pretty ugly. Didn't realize just how bad it was until we put the new one in. Our spa water is sparkling clean now.

Aika's m.
I will and DID buy this product again!

We have a wooden Ufuru that we love to soak in. We don't use chemicals in this but flush it weekly. Even still, our filter gets dirty so ordering from SpaDepot was fast and easy. The person I spoke with was very helpful. The filter we had really didn't have an identifying number on it, so with the help of SpaDepot, we were able to figure it out, ordered it and it was perfect. So much so that I have ordered another one along with the filter cleaner. Thanks guys! Oh, was FAST!!!

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