Clarathon Filter FC3623

Clarathon FC-3623 Spa Filter for Marquis PPM35TC C-5423

FC3623
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$6.95
Power Soak Filter Cleaner
Power Soak Filter Cleaner
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eco-TUB Filter Soak Cleaner 32 oz.
eco-TUB Filter Cleaner
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$5.95
Filter Savers Pre-Filter 6-Pack
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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.5¼"

Length:Measured end cap to end cap, excluding any handles, threads, fittings or protrusions. 11⅞"

Top: Closed

Base:Hole inside diameter. 1⅝" Open

Media:Media area & weight/yard.35 SF-3oz

Cross reference: Unicel C-5423 | Pleatco PPM35TC | Filbur FC-3623 | 13401, 20045, 37-0215, 50352

Product notes: Always keep spare clean, dry cartridges on hand.
Used in: Marquis (Replaces 20045. Pre-1997 Signature Series) | and others


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Customers praised this spa filter for its perfect fit and effective water filtration. Shoppers noted it "works great" with better filtering fins than competitors and "lasts a long time." Reviews highlighted competitive pricing, fast delivery, and excellent customer support. Repeat purchases common, with one customer stating this is "the only place" to get filters for older spas.

  • 5 stars: 9 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
K
K.H.

Repeated purchase.

S
STUART K.
"I Be Back!"

Great customer support. I initially accidentally ordered the incorrect part, so I immediately sent an email requesting a change for the correct Marquis spa filter. Received a very prompt response confirming my requested change. The new filter arrived quickly - as promised.
Spa Depot - the place to go!

P
Pamela S.
Only place to get filters

This is the only place I’ve found to get filters for my older Marquis spa. Quick delivery. And prices better than local dealers.

D
Doug
A+ fast delivery and a good price

Perfect fit replacement for my spa.

1
1k62256
yes

works great. great price and service and fast shipment.

J
JT
I would buy this product again

Great replacement for hot tub original equipment

C
Cindy
Very happy

Fit perfectly

E
Eugene F.
Clarathon Filter works

I have compared other filters and find the other ones have less fins to filter the water. This one works well and lasts a long time. I soak it in TSP every 3 months when I change the spa water, then rinse well with a spray nozzle.

B
Bill C.
works great

works great

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