PartsExtra ABS Air Vent Adjustable Round Exhaust Louver Grille Air Ventilation Cover Duct Fan Outlet Vent Soffit Air Vent for House Bathroom

[PREMIUM MATERIAL] — The Air Duct Vent Cover is made of environment friendly and non-toxic quality ABS material, safe, sturdy and durable to use and more beautiful installation effect. [SCIENTIFIC DESIGN] — Diameter of 3.93inch/100mm, adjustable design, the panel can be adjusted, the air volume can be adjusted by turning the button.Easily fit with different 4″ ducting hoses. [EASY TO MOUNT] — This Soffit Vent does not require much effort to install, the same diameter hole can be mounted directly, the white panel can be dismantled,easy to clean and maintain. [WIDE APPLICATION] — Available for wall mounted or ceiling mounted.Applicable to bathroom, kitchens, cabinet,offices, meeting rooms, music hall and other indoor places exhaust and ventilation use. [ENJOY ODOR-FREE ENVIRONMENT] — This adjustable Ceiling Diffuser can be used as an air outlet and it can also be used as a vent for the ceiling, it will giving you a fresh and odorless life and work environment. plastic air vent