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50 sq ft Cartridge Filter 13 1/4" x 4 15/16" QCA C4950 AK3049

  • 50 sq ft filter QCA  C-4950 AM AK
Your Price:
$34.97 (You save $23.58)
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Product Description

Change hot tub filter50 sq ft Cartridge, 13 1/4" x 4 15/16" with 2 1/8" center hole compatible with AK3049 C4950 and other filter models.

This filter type is used in QCA Spas Jewel and Majestic series spas. The center hole goes all the way through the filter.

All QCA Spa filters feature a center hole vs. other cartridges that have top handles or bottom threads.

This is the original filter type that comes with many new QCA Spas as well as older Sundance and Morgan Spas.

QCA cartridge Filter Model: 25391-000-000.


4950 ak304 filterHave a question about which filter is right for your spa? Contact Hot Tub Outpost at info@hottuboutpost.com for a quick answer.

If you include the measurements of the filter you are looking for, along with either a photo or description of the 2 ends of the filter, we can provide you with a link to the filter you need.

Many times the filter installed in a spa can be different for the same model name - it all depends on which filter canister is installed in the spa at the time of production - so it is best to measure the old filter length, diameter to get the correct replacement cartridge.

Also replaces Sundance Spas 6540-471,03FIL1600, 17-2380, 25391, 3005815, 3301-2145, 5001.


Outer Diameter: 5"
Length: 13-1/4"
Bottom hole inner diameter: 2-1/8" Open
Top hole inner diameter : 2-1/8" Open

Replacement Option For:
Unicel: C-4950
Pleatco: PRB50-IN
Filbur: FC-2390

Manufacturers: Rainbow / Waterway / Sundance / Morgan Spas

Product Videos

How to Change a Hot Tub Filter - 3 Filter Types QCA Spas (01:55)
Hot tubs have various filter enclosures, so getting at the actual cartridge filter inside is different on different models, even from the same manufacturer. http://www.hottuboutpost.com/filters/ Some filter types include the typical skimmer filter that uses a skimmer and then an upright filter canister. These can be either front loaded or top loaded depending on the spa manufacturer and filter enclosure type.
  • How to Change ...
    Hot tubs have various filter enclosures, so getting at the act...

Warranty Information

Original Factory Warranty

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