You're currently on:

50 sq. ft. Top Load Filter for Dynasty, Four Winds, Garden Leisure, Rising Dragon - Cartridge, replacement of Unicel 4CH-949, Pleatco PWW50L

Replacement Filter Cartridge
50 sq ft.
4 15/16"
13 1/2"
4 15/16"
In Stock
Add Items to Cart


  • Bottom Cap:

    2" Female SAE

  • Top Cap:

    Groove Semi Circular Handle


We ship most orders complete within 24hrs.

Product Highlights

This 50 sq. ft., 4 15/16" OD Pool or Spa Filter has a Groove Semi Circular Handle Top, a 2" Female SAE Bottom, and is 13 1/2" long. It is crafted of the highest quality materials; and engineered to be superior. With the highest quality fabric that removes unwanted bacteria and contaminants, keeping your water crystal clean.Our Pool and Spa Replacement Filter Cartridges meet or exceed OEM specifications. They install easily, and begin working to clean water immediately. Once you have tried our filters, you will see how they filter out more debris than the other brands, and out last other brands.

  • Guaranteed Perfect Fit
  • Filters Bacteria & Contaminants
  • Eco Friendly Filter Cartridge
  • Extremely Durable - Wash & Reuse
  • Withstands High Pressures & Temperatures
  • Energy Efficient
  • Easy Installation

Hint: keep an extra filter on hand so that when its time to clean your filter, you will be able to replace it immediately with the back-up.This will allow you the time to leisurely deep clean your dirty filter and allow it to dry completely before replacing it; and without any down time on your pool or spa system.

Interchangeable Part Numbers





We have listed all known part numbers associated with this product. Some part numbers may not be listed for old/discontinued items. Every filter on this site is different. If you aren’t sure if this is your filter, call 661-833-9600. We’re happy to help.

Supported Brands

Dynasty Spas, Four Winds Spa, Garden Leisure, Premier Leisure, Rising Dragon, Sunrise Spas, Waterway Plastics

Some brands may not be listed. If you aren’t sure if this is your filter, call 661-833-9600. We’re happy to help.

Pleated Filter Cartridges from

Write a Review for Unicel: AK-90091

How do you rate this product?*
  1 star 2 stars 3 stars 4 stars 5 stars