12v side air vent ventilation exhaust blade fan low noise for car rv trailer suv caravan

equipped with a low-decibel silent fan, the exhaust is no noise, provide you with a quiet and comfortable environment. provides a fresh air environment. with a dust designed cover, effectively prevent dust. the fan is installed outside, easy and convenient to remove, bring much convenience for you. made of abs material, rugged, anti-corrsion and durable to use. perfect fan for car, truck, camping tent, rv, sleeping cabin, suv, atv, delivery van etc..syi