SMOKE VENTGARDS® Air deflectors look great and provide superior wind and rain protection! Enjoy fresh air comfort, eliminate fogging and reduce wind noise in any weather condition Easy no drill installation An easy and inexpensive solution to wind, fogging and stale air problems! Ventgards® move air around side windows, drawing stale air out while increasing the efficiency of the heater or air conditioner. The result is a quieter, more comfortable passenger compartment! Manufacturer's limited lifetime warranty.