Automatically opens and closes the roof vent/window when temperature changes. The opener has a metal cylinder containing wax which expands when heated. This pushes a piston that opens the vent.
Automatically opens and closes the roof vent/window when temperature changes. The opener has a metal cylinder containing wax which expands when heated. This pushes a piston that opens the vent.
Color | Green |
Size | 3.5 In. D |
Gtin | 00763552402479 |
Mpn | 702107 |
Condition | new |
Material | Plastic |