Genuine 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 or Pleatco or pro Aqua
  
• Filter brands sent will vary based on inventory and what location you are closest to.

Use a hot tub filter to keep your hot tub water sparkling clean and beautiful.

Hot tub filters are durable and effective at capturing the smallest of debris making it easier to take care of your hot tub water. 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 replacement filter delivers OEM quality performance at a great price.