General use 5/16 SS Washer from Master Spa Parts. This unit goes underneath fasteners on your spa/hot tub to keep components of your propulsion system intact.
3/8" x 1.5" Fender Washer used on the propulsion system in the swim spas. The 3/8" x 1.5" Fender Washer from Master Spa Parts has a thinner body compared to the flat washer and provides an even wider surface area of support for fasteners.
Designed specifically for preventing fasteners from coming loose after they are tightened, the ⅜’’ SS Split Lock Washer from Master Spa Parts is the perfect choice for fastening essential components of your spa.