7x7 ft Hot Tub Solar Cover 16 Mil Bubble Heat Retention Blanket feed-cl1-nospend Enameled Cast Iron: Cast iron

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

The LED display shows current speed

keep the canopy closed so the 9 FT fabric area stays gathered when not in use

Assembly follows a panel-based connection system with aligned attachment points throughout the frame

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

7x7 ft Hot Tub Solar Cover 16 Mil Bubble Heat Retention Blanket feed-cl1-nospend Enameled Cast Iron: Cast ironBuilt 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