1pc Duct Vents Round Louvered Vents Interior ABS Grille Ventilation Adjustable Air Vol 75mm/100mm/125mm/150mm/200mm

Does it include wireless functionality?：No Does it include a Battery?：No High-concerned chemical：None Model Number：vent Origin：Mainland China Certification：NONE key word1：Duct Vents key word2：Round Louvered Vents key word3：ABS Tuyere key word4：ABS Grille Ventilation key word5：Wall Vent key word6：Covers Adjustable key word7：75mm ABS Tuyere key word8：100mm Wall Vent key word9：125mm Duct Vents key word10：150mm Grille Ventilation

Does it include wireless functionality?: No Does it include a Battery?: No High-concerned chemical: None Model Number: vent Origin: Mainland China Certification: NONE key word1: Duct Vents key word2: Round Louvered Vents key word3: ABS Tuyere key word4: ABS Grille Ventilation key word5: Wall Vent key word6: Covers Adjustable key word7: 75mm ABS Tuyere key word8: 100mm Wall Vent key word9: 125mm Duct Vents key word10: 150mm Grille Ventilation