★★★★★
Prices start at : 46.47 USD / each
The vent arm was designed with a metal cylinder containing wax which expands when heated to push a piston, which raises the window, as the air gets warmer, then contracts as it cools, closing with the use of a spring and resetting the piston.
- ✓ Mechanic system - no electricity is needed
- ✓ Assembled dimension: 15.75 in. W x 2.75 in. D x 2 in. H
- Product Weight (lb.): 1.5lb
- Product Type: Accessory
- Color Family: Metallics
- Returnable: 90-Day