Design-Your-Own Ultra Deluxe Spa & Hot Tub Covers: 6/4 Taper with 1.0# Foam Base Cover with R-23.85 $499.88
Product Review (submitted on October 10, 2012):
Arrived without a hitch , we got our first snow 2 days ago ,I'll see how the power bill is affected in the future , can't tell yet . But it has to help with 6" of insulation....