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Stainless steel 3/8" Hex Nut is designed to be used on the fastening components of your spa propulsion system. Stay safe and keep your spa components from coming apart.

ZorbO™, the hot tub and spa scum absorber can absorb up to 15 times its own weight — that’s a lot of body oil-, odor-, and lotion-removing potential in one little product. Keep your water crystal-clear with the Earth-friendly ingredients found in this hot tub and spa scum remover. You’ve tried the rest, now go with the best!

To match the unique style of your spa or hot tub, Master Spa Parts offers the 1-Inch Scallop Air Control (Grey). As a universal replacement part, this scalloped air control is designed to work with many brands of spas and hot tubs.

Replacement filters from Pleatco help our customers get a great value while also keeping their spa's water clean and healthy. If grime and particulates have put a dent in the enjoyment of your spa or hot tub, this Contractor Series and Clarity Spas oval tub filter from Master Spa Parts is a great way to bring back clear water to your spa or hot tub.

Why pay more than you have to? Our Filter PMA20-F2M for Contractor Series & Clarity Spas 415 is the affordable way to keep your spa's water clean, clear, and enjoyable to use. Order yours today!

Replacement mineral cartridge for the Spa FROG Serene Floating System or pre-installed Spa FROG inline system.

The 5 horsepower, 2 speed Aqua-Flo Pump is a replacement spa pump.With powerful features and our quick delivery, you will have your spa up and running again in no time.

The Charge Filter Set — or, as well like to say, "Go away, algae and bacteria!" kit — features one EcoPur® Charge filter (SKU: X268532) for neutralizing bacteria and biofilm, as well as the Outer Filter (SKU: X268550), a high-performance mineral filter from Pleatco®.

Remember: a healthier, happier spa starts with the right filters — pick up your EcoPur® Charge and Pleatco® mineral filter kit today!

This wind strap for your hot tub cover helps to keep your Master Spas hot tub cover in tact during those blustery days! This 16’ long tie down strap is 2” wide and comes with plastic buckles.

The Sensor, 24” x ¼” F/560 M7 is a high limit temp replacement sensor for the MAS560 sensor found in most Down East and Legend Series Master Spas.

Don’t let a broken sensor prevent you from your enjoying your spa when you want to.

This 7.5' x 13' Swim Spa Cover for your H2X Therapool swim spa is a folding cover for your swim spa! This cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.

If you think of your spa's pumps, lights, blowers, and other features as members of an orchestra, the circuit board would be the conductor. Master Spa Parts is here to bring back harmony to your Master Spas® hot tub with our Circuit Board MAS100 PC Board (V/N 53065).

Having a fully functional circuit board is essential, overpaying for your board isn't. That's why Master Spa Parts keeps our rates low so you can affordably replace a MAS100 circuit board — and don’t forget fast, free shipping to the Lower 48!

Measure the chemical balance of your hot tub water with AquaChek Spa 6-in-1 Test Strips in 15 seconds.

• Count: 50 test strips
• Tests for: Total Chlorine, Total Bromine, Free Chlorine, Total Alkalinity, pH and Total Hardness.