Durable Anti-bird And Rat Air Conditioning Supplies Air Circulation Air Vent Vents Cover Ducting Ventilation Grilles Vents Cap

Does it include wireless functionality? : No Does it include a Battery? : No High-concerned chemical : None Origin : Mainland China Material: : ABS Size: : 75mm/100mm / 150mm 4 Types: : A/B/C/D (can choose) Package includes: : 1 x Air Vent Extract Valve Grille Air Vent : Ducting Ventilation Grilles Vents Cap : Vents Cover