first name
last name
e-mail
Need help? That"s what we're here for! Call or email us anytime!
Buy a 6 Month supply and save!
Dr. Bob will personally respond to all inquiries. And, he may decide to share his answer to your question in our customer newsletter, Bubbling Over.
First Name:
Last Name:
Email Address:
Phone Number: (optional)
Message:
 


If we select your question, your name will not be published.
You are here: Home > Hot Tub Filters and Accessories
Choose a sub category:
Standard White Filters Premium Gold Filters Filter Accessories
For the Cleanest Spa Water - Use only ThermoSpas Filters
• Exactly sized to fit your hot tub - no gaps!
• Works best with your hot tub's filtration system
• Traps the smallest particles
• Reliable US made and tested by our design teams
• US Based Customer Care with experts to assist with any questions
Premium Gold Filters - the longest lasting filter made

filters in tub

Don't know what filter to buy - we can help!

3 ways to find your filter

  1. Search by part number
  2. Search by hot tub
  3. Use filter chart
gold filter
  • Filter construction and quality is identical to our ThermoSpas White Filters.
  • Filter media is embedded with Fosshield™ compound made up of naturally occurring silver and organic sanitizers.
  • Silver is known to constantly kill bacteria and inhibit their growth as well as the growth of mold and mildew, increasing the life of your filter.
    View all Premium Filters
 
White Filters - meets or exceeds industry standards
filter
  • Our center cores are molded and provide for a free flow of water through them. They achieve approximately 20% better filtration efficiency, with less wear & tear on the spa pump, and less energy consumption.
  • The end caps of the cartridge are made with proprietary antimicrobial, crack-resistant polyurethane, resistant to chlorine and bromine.
  • The filter material we use will not break down, and contains nothing that may cause a foam buildup.
    View all White filters
Easily find your filter in 3 ways
1.) Search by Filter Number
 Filter
Look on the end cap of your filter to find the part number. Enter it below to find your filter.
Enter #
2.) Search by Hot Tub
Filter
Select the hot tub you currently own to find what filter you need. if you do not know, contact us.
3.) Filter Chart
Spa Model Filter Type Delivery Date Item # #Filters *
Park Ave, Concord, Manhattan, Madison, Manchester Drop in (open hole top/bottom)
Filter w/handle (closed top)
Stackable open hole top/bottom
Stackable open hole top/bottom 		9/16/2004-Present
3/10/2004-9/16/2004
6/1999- 03/2004
12/1997-5/1999
Prior to 12/1997		 FL1008
FL1009
FL1007
FL1004
FL1006		 2
2
2
2
2
Phoenix, Penthouse, Townhouse, Lexington 4" height
4" height
Screw-in filter 		01/1998-Present
Prior to 12/1997
Prior to 1996 		FL1003
FL1006
FL1005		 2
2
1
Gemini/Duo, Cape Cod, Paradise 4" height 01/1998-Present FL1003 1
Olympian, Manhattan, Paradise Pressurized filter housing 13 1/4" height 01/1998-Present FL1001 1
Avalon, Chesapeake 5" height 2002-Present FL1008 1
Calypso/Callisto 5" height - Present FL1008 1
Sirrus/Stratus, Xanadu/Xenon, Triton/Titania 5" height - Present FL1008 2
Spa Trainer, Spa Swimmer, Aquacisor 24" height - Present FL1013 1
Garden Spa 5" height - Present FL1008 1
Healing Spa 10" height - Present FL1009 3

Filter not listed? Call Customer Care for hundreds of other filters in stock!

* Please Note: Filters are sold individually.