Part Number:Registros, Difusores y RespiraderosItem Weight:2.4 ouncesProduct Dimensions:4.92 x 1.81 x 4.8 inchesSize:3inchFinish:FinishedMaterial:304 Stainless SteelShape:RoundPower Source:Corded ElectricVoltage:1Wattage:1Installation Method:Wall mountSound Level:1 dBUsage:Outdoor areasBatteries Included?:NoBatteries Required?:NoCapacity:1 Cubic CentimetersThe stainless steel air vents are designed as a round flat cover with louver, waterproof and anti-rust, the louver is inclined 45 degree; Air outlet vents built in screen mesh can stop uninvited guests from entering the house; Note: please note that the edge is peaked, handle the product with care!MATERIALMade of high-quality stainless steel material, environmental-friendly, safe, sturdy, durable, anti-rust and corrosion resistant.Fine workmanship, beautiful decor for home, modern new house necessity.DESIGNDesign of round flat cover with 45Louver and built in fly screen mesh,inside louver design has secondly rainproof effect to prevent rain from damage,fly sceen mesh to prevent small pet into house .EASY INSTALLATION The air vent could be controlled to meet your demand by adjusting the regulating valve of our air vent, convenient and practical. Can be perfectly installed on the ceiling or wall, also very easy to disassemble for conveniently cleaning.WIDELY USEThe ventilation duct cover can be perfectly used for indoor exhausting, lower noise, perfect for bathroom vents and extractors, air conditioning units, kitchen fans and vents, all home wall vents, gas and electric dryer etc..SPECIFICATION80mm - 3Air Vent Ventilation Grille Cover applied to 3in circular pipe-ducting hose.