7x7 ft Hot Tub Solar Cover 16 Mil Bubble Heat Retention Blanket feed-cl1-nospend Wood Fuel Operation: Uses wood

Wood Fuel Operation: Uses wood pellets and standard wood fuel without electrical power

Enameled Cast Iron: Cast iron core with enamel coating that does not require seasoning

the structure folds for storage under desks

Assembly Type: Tool-free interlocking panel assembly

8-Head Model: Designed for wide percussion contact areas

7x7 ft Hot Tub Solar Cover 16 Mil Bubble Heat Retention Blanket feed-cl1-nospend Wood Fuel Operation: Uses woodBuilt for Everyday Heat Retention This 7x7 ft thermal blanket uses a 16 mil polyethylene film with an integrated bubble layer that sits directly on the water surface. The bubble structure forms a consistent barrier that reduces evaporation and slows heat transfer. The material resists tearing under typical handling conditions. Its square format fits standard spa layouts while remaining flexible for trimming. The floating design stays level without