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Home Pool Filter Cartridge Replacements Sta-Rite Filter Cartridges Replacement Cartridge Set for Sta-Rite System 3 | 300 Sq Ft | AK-ULTRA7M120
NOTICE: The pool & spa industry continues to face industry-wide shortages on many products that most vendors expect to last late into 2022. ... We're allowing items to be purchased so that customers who choose to wait will have their order shipped when product is available. Most vendors are not providing any ETA on when items will be available. WE WILL EMAIL YOU RIGHT AWAY IF YOUR ITEM IS BACKORDERED. 

Replacement Cartridge Set for Sta-Rite System 3 | 300 Sq Ft | AK-ULTRA7M120

This item is currently out of stock.
Replacement Cartridge Set for Sta-Rite System 3 | 300 Sq Ft | AK-ULTRA7M120
Replacement Cartridge Set for Sta-Rite System 3 | 300 Sq Ft | AK-ULTRA7M120
2 Piece OEM Function with an Adapter-Free Guaranteed Fit
S7M120 - This 300 sq. ft., Pool or Spa Filter , and is 25 1/4" and 18 1/4" long. It is crafted of the highest quality materials; and engineered to be superior. With USA MADE REEMAY, the highest quality fabric that removes unwanted bacteria and contaminants, keeping your water crystal clean.
Baleen 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 their 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
Set includes:
  • Small cartridge compatible with (25021-0200S)
    • - 25 1/4" Length by 8 1/2" diameter
    • - 100 square feet of filtration capacity
  • Large cartridge compatible with (25021-0201S)
    • - 18 1/4" Length by 16 1/4" diameter
    • - 200 square feet of filtration capacity
Work Harder. Last Longer. Simply the Best.
Reliable End Caps with Fibersteel™ Reinforcement - The molded end caps won’t break down during the entire filter life, guaranteed, even when using salt or high levels of chlorine. And, the guaranteed fit ensures easy installation and removal.
Superior Flow with Aqua Flux Cores - The sophisticated core is engineered to promote and deliver perfect continuous water flow for the life of the filter, guaranteed. Large unrestricted core openings encourage even particle distribution to filter media, which maximizes efficiency.
Exceptional Strength - The durable cores are made with ABS and PVC technology, which is engineered to be tough, impact resistant and withstand even the most extreme pressure, guaranteed.
Built Tough, Easy To Clean - The durable fabric, sharp pleat folds and perfectly placed bands keep pleats evenly spaced for optimum flow, filtration and cleaning; while the unique attributes of our fabric allows for maximum time between filter cleaning and replacement.
When the fabric was tested again against EQUIVALENT COMPETITOR the results were crystal clear
  • 50% Longer run time
  • 125% more stiffness
  • 83% more permeable
  • Better durability and cleanability
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.


Replacement Cartridge Set for Sta-Rite System 3 | 300 Sq Ft | AK-ULTRA7M120

This item is currently out of stock.
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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.
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