Essentials Secure Straps for Hot Tub and Spa Covers sauna humidity meter Foam Out is compatible with

Foam Out is compatible with all sanitizers including chlorine

organic materials

The SunPurity Silver Ion Mineral Purifier for Sundance® Spas is the silver ion mineral cartridge used in Sundance Spas

Material: 100% cotton

Essentials Secure Straps for Hot Tub and Spa Covers sauna humidity meter Foam Out is compatible withThe Essentials Secure Straps for Hot Tub and Spa Covers serve a variety of functions. The locking buckles prevent unauthorized spa use and the straps keep your cover safely in place during windy condition. Package Contains: Set of two straps (9'): Adjustable to fit almost any spa model. (4) Pinch Release Cover Locks (screws to attach included) (2) Cover Lock Keys