SKU: 58682446232

Replacement Spa Filter Cartridge | Compatible with Great Lakes & Bullfrog Spas (RJF AK-3015, FC-2385, 40353)

Sale price$31.49 Regular price$34.99
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Replacement Spa Filter Cartridge | Compatible with Great Lakes & Bullfrog Spas (RJF AK-3015, FC-2385, 40353)Ensure clean, crystal clear spa water with this high quality replacement spa filter cartridge, designed for superior filtration performance. This durable cartridge is engineered to capture fine debris, dirt, and contaminants, providing a **cleaner and more enjoyable spa experience** while extending the life of your hot tub components. Compatible with various spa models, including **Great Lakes Spas and Bullfrog Spas**, this replacement filter is a

Ensure clean, crystal-clear spa water with this high-quality replacement spa filter cartridge, designed for superior filtration performance. This durable cartridge is engineered to capture fine debris, dirt, and contaminants, providing a **cleaner and more enjoyable spa experience** while extending the life of your hot tub components.

Compatible with various spa models, including **Great Lakes Spas and Bullfrog Spas**, this replacement filter is a direct replacement for models **RJF AK-3015, FC-2385, and 40353**. The **high-flow pleated media** maximizes surface area, ensuring efficient water filtration while maintaining optimal water flow and pump performance. Its **reinforced core construction** enhances durability, preventing collapse under high pressure and extending the filter’s lifespan.

Product Specifications:

  • Compatible Filter Models: RJF AK-3015, FC-2385, 40353
  • Outer Diameter: 5 5/16 inches
  • Length: 9 1/4 inches
  • Top Opening: 2 1/8 inches
  • Bottom Opening: 2 1/8 inches
  • Filter Media: High-flow pleated polyester
  • Efficient debris capture for optimal spa water quality
  • Durable, reinforced core prevents collapse under pressure

Enjoy better water clarity and extended spa equipment life by replacing your filter regularly. Upgrade your spa maintenance routine with this premium replacement spa filter cartridge today!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58682446232

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4.2 ★★★★★
Based on 19 reviews
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Verified Purchase
Glass
Port Orchard, US
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
L
Verified Purchase
Lauren
Battle Creek, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
E
Verified Purchase
Elliz
Fort Morgan, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2021
J
Verified Purchase
Judy Fletcher
San Leandro, US
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
S
Verified Purchase
Susan
Massapequa, US
★★★★★ 4
Stay put!
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
Nice and thin, soft, and stay put. I wear an 8 shoe and don’t like a thick sock taking up room. These socks are a bit tight on big toe. Wish they came in large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2023

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