Clarathon Filter for Caldera Spas FC3965

Clarathon FC-3965 Spa Filter for Caldera Spas PCD100W C-8399 73722

FC3965
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Power Soak Filter Cleaner
Power Soak Filter Cleaner
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$7.95
eco-TUB Filter Soak Cleaner 32 oz.
eco-TUB Filter Cleaner
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Clarathon® Premium Ultra Hot Tub Filters provide unmatched performance at a great price.

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

Diameter:Measured across end cap at widest point.8"

Length:Measured end cap to end cap, excluding any handles, threads, fittings or protrusions. 16½"

Top: Handle

Base:Hole inside diameter. 3⅝" Open

Media:Media area & weight/yard.100 SF-3oz

Cross reference: Unicel C-8399 | Pleatco PCD100W | Filbur FC-3965 | 1039607, 73722, 81004

Product notes: Always keep spare clean, dry cartridges on hand.
Used in: Caldera (All 2005+ Niagra Utopia, Geneva Utopia, Tahitian Utopia, Elation, Aspire, 2014 3rd Quarter+ Cantabria) | and others


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This spa filter receives overwhelmingly positive feedback. Customers said it "fits perfectly" and works "great in my spa." The filter is praised for excellent quality and competitive pricing. Most report perfect fit and reliable performance. One customer noted a sizing issue requiring modification (hole 3.56" vs expected 3.5"), and some feel filters are expensive generally.

  • 5 stars: 21 (88%)
  • 4 stars: 2 (8%)
  • 3 stars: 1 (4%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
d
darting
Filters

Works great and more important it fits.

darting review photo
A
Anonymous
Use your store all the time!

Use your store all the time.

D
Danita S.
Filters

Love these filters, work great in my spa.

V
Victoria G.
Great Filter - Great Price

We always purchase our spa filters from SpaDepot... great filter & great price.

J
Jeffrey L.
Great product

I just installed the filter. The filter was a perfect fit. I believe it will work just fine in my hot tub.

M
Michael B.
Best filters at a reasonable price

I buy from Spa Depot cause it’s in stock, the price is right and it’s always the correct filter. Local store is always sold out, back ordered or here this will work even if it’s too small. I have never in the last 5 yrs ever had an issue with my order

C
Constance

Used this for years great filter

s
spa o.
fast delivery

fits perfect

P
Paula B.
I would buy this product again.

The filter worked great.

F
Filter
It's a filter

It's a filter, what do you want me to say about it. It filters. Filters are too expensive, even when this is one of the cheaper options. I would replace them every two months if they were more responsible.

F
FLOYD C.
I would buy again now that I got it to work.

As mentioned in a lot of reviews the hole size in the filter to fit snug on a Caldera tub should be 3.5"" these filters are stated to be 3.625"" and mine was closer to 3.56"". It was enough big to float off the mounting tube. I measured the distance from the bottom of the filter basket to the top of the filter and cut a piece of 2"" PVC to that length drilled two holes in it and zip tied it to the bottom of the basket as a spacer to hold the filter down. It is working out fine now. This filter was about 20 bucks cheaper so it was worth making the fix.

H
Happy M.
Excellent Service and Product.

Great Spa Filter

D
Deb
I would buy this product again

Great product at a great price.

A
Andrew
I will buy from the Spa Depot again

The filter fits and is working as expected. The service was fine. The price was the best I found and better than I was expecting.

B
Big A.
Quick efficient service

First time buyer from this company quick delivery excellent product!

R
Robert P.
Best Price I found

Exact product I needed. Delivery was quick.

A
Auddoe
Save so much online

Fast shipping. Great prices. They do call if there's a question on order or shipping. Thank you

b
big r.
i will continue to buy from spadepot

products are good quality shipping is fast and prompt.

B
Bob
Great prices

Fast Delivery of filter and you were the best price I could find.

L
Lucky
Good Filters

Have been using this filter since 2012 Love them

P
Pete G.
PERFECT FIX!!!

My spa hasn't been heating properly lately so I decided to do the easiest fix which was to change the filter. The last filter I purchased (from another company) just never seemed to fit right so I was a bit wary when I purchased this one but lo and behold, this one fit perfectly, came in a very efficient time and VOILA! The Spa is working perfectly!!!! I will definitely be purchasing through Spa Depot in the future!

S
Sandy t.r.
Clarathon Filter FC3965

Use this filter in my spa and the quality is excellent. I would order this filter again and was shipped fast to our home.

C
Charlie
exact fit; excellent product

The filter is quality made, just as described. It fit perfectly in my Caldera Tahitian and it is running beautifully.

J
Jeffrey H.
I would buy this product again.

I was searching for a comparable product for a better price and it appears that I have found it.

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