Clarathon Spa Filter for Hot Spring/Watkins FC-3921 PWK35B 78161

FC3921
Clarathon Filter for Limelight/Watkins Spas FC3921

Clarathon Spa Filter for Hot Spring/Watkins FC-3921 PWK35B 78161

FC3921
/
  • 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.

Details:

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

Diameter:Measured across end cap at widest point.6⅜"

Length:Measured end cap to end cap, excluding any handles, threads, fittings or protrusions. 14"

Top:Hole inside diameter. 2" Open

Base:Hole inside diameter. 2" Open

Media:Media area & weight/yard.50 SF-3oz

Cross reference numbers: Pleatco: PWK35B, Filbur: FC-3921, Other: 1642301-1, 60512, 78161, 78372

Associated brands: Hot Spring, Limelight, Watkins


You may need
Jet Stream Filter Cartridge Cleaner System
Jet Stream Filter Cartridge Cleaner System
MT1003
Quick View
eco-TUB Instant Filter Spray Cleaner 16 oz.
eco-TUB Filter Spray Cleaner ~ 16 oz.
MT1023
Quick View
Spa System Flush - Hot Tub Cleaner
Spa System Flush Hot Tub Cleaner
MT1028
Quick View
PreFresh Spa & Pool Water Fill Filter
PreFresh Spa & Pool Water Fill Filter
MT1051
Quick View
ZorbO Oil Scum Absorber
ZorbO Floating Spa & Pool Oil Scum Absorber
MT1052
Quick View
Acid Magic - Muriatic Acid Replacement
Acid Magic - Muriatic Acid Replacement
CA1062
Quick View
Blaster 1000 Automatic Filter Cleaner 20"
Blaster 1000 Automatic Filter Cleaner 20"
MT1058
Quick View

Customer Reviews

Based on 23 reviews
96%
(22)
4%
(1)
0%
(0)
0%
(0)
0%
(0)
J
John
replacement filters

Fit and work fine for our hot tub.

O
Orlando R.

Fit perfect and half the price

J
Jessy J.
Fast service

Bought filters for my spa fast service and good price

D
David S.

Clarathon Filter for Limelight/Watkins Spas FC3921

S
Stephen H.
Blazing fast delivery

Nice to get such good service in these days of supply chain issues. Also, my local dealer price gouges on spa filters so I really appreciate Spa Depot

Load More
Your recently viewed products