Clarathon Filter for Limelight/Watkins Spas FC3921

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

FC3921

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Filter Media Choice: (Select One)

Standard

Microban®

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$6.95

Power Soak Filter Cleaner

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$7.95

eco-TUB Filter Cleaner

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$5.95

Filter Savers 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.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. Blue Microban® inhibits smelly bacteria growth on filter fabric.50 SF-3oz

Cross reference: Pleatco PWK35B, PWK35-M | Filbur FC-3921, FC-3921M | 1642301-1, 60512, 60512M, 78161, 78372

Microban® Media Available

Product notes: Always keep spare clean, dry cartridges on hand. Microban blue media inhibits odor-causing bacterial growth on filter pleats, reducing maintenance. Antimicrobial properties do not protect users against bacteria, viruses, germs, or other disease organisms.

Used in: Hot Spring | Limelight (All 2018+ Beam, Flair, Flash, Pulse, Prism) | Watkins (All 2018+ Pulse, Flash, Flair, Prism, Beam) | and others