Clarathon Sock Spa Filter for Sierra/Southwest Spas

Clarathon fc9959 sock filter
Clarathon Sock Filter for Sierra/Southwest Spas

Clarathon Sock Spa Filter for Sierra/Southwest Spas

Regular price $17.95
  • 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.
Product notes: Microfiber sock/bag filter. 150 micron


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

Diameter:Measured across end cap at widest point.4⅛"

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

Top:Hole inside diameter. 4⅛" Open

Base: Closed

Media:Material sq ft.Disposable

Associated brands: Maax Spas, Sierra Spas, Southwest, Vita

Customer Reviews

Based on 6 reviews
Thomas M.
Sock Filter

I’m really greatful for your quick service and product. I came across your sock filter for my southwest spa, after 6 plus hours of searching for a filter. My sis bought a used southwest spa with out the filter or owners manual. So we have no idea of the filter that it takes, and so far no one can tell me. After reading reviews from other people that bought your sock filter I decided after taking measurements to purchase one myself. It has been and is a lifesaver.
Thank you for offering this product and for your speedy delivery.
Thomas McDow

different well built

Had never seen a this type of filter before. It's well built and seems durable so far.

Charles C.
I will be buying these filters again

These are not easy filters to find. They are reasonably priced and shipping was fast !!

Awesome, just what I needed.

I have had a hard time finding these. They fit perfect and they are a fair price.

I would buy this filter again

Love the sock design of the filter.

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