8’x8′ Heavy Duty Thermal Blanket for Hot Tubs is a great addition to maximize the efficiency of your hot tub, and prolong the life of your spa cover!
- Heavy-duty for longer service life – 12 mil thickness
- Reduces evaporation heat loss up to 95%
- Protects spa cover from water absorption
- Surface coverage up to 8’x8′ – trim-to-fit outside of spa