Unicel® 5CH-37 Hot Tub Filter for Aquaterra Spas, Hot Springs

(No reviews yet) Write a Review
Usually leaves warehouse in 2-3 business days
Calculated at Checkout


Genuine Unicel Hot Tub Spa Filters. 

  • Part no: 5CH-37
  • Diameter: 5-5/16"
  • Length: 9"
  • Top: Handle
  • Bottom: 1-1/2" MPT Thread
  • 37.5 sq.ft.
  • Filter Media: Reemay
  • Brand: Unicel Premium


Use a genuine Unicel brand hot tub filter to keep your hot tub water sparkling clean and beautiful. Made with Reemay filter media, the genuine Unicel brand hot tub filters are durable and effective at capturing the smallest of debris making it easier to take care of your hot tub water. Genuine Unicel hot tub replacement filters are available in a variety of sizes and built to OEM specifications, you’re sure to get a reliable hot tub filter that fits your hot tub perfectly. Use this replacement filter to replace your worn or damaged hot tub filter or as a back up to maximize the time between filter changes. Easy to install, the genuine Unicel replacement filter delivers OEM quality performance at a great price.


Manufacturers who use the 5CH-37:

Aquaterra Spas, Hot Springs Spas and more.


Also known by these other OEM part numbers:

  • 303279

Unicel filters ship from Ontario to all of Canada.

Manufacturer warrants product to be free of defects upon delivery.