What is the role of universal exhaust hood in the laboratory? [Huasheng] universal exhaust hood manufacturers affordable joint: high-density PP / PC material, can rotate 360 ??degrees to adjust the direction of the easy to dismantle, restructuring and cleaning the joint seals: not easy to aging of high-density rubber support spring / articulated bar: 304 stainless steel joints elastic made of knob: high-density PP / PC, embedded copper nut, articulated lever locking air adjusting valve: manually adjust the external valve knob control to enter the gas flow. Arch / cup-shaped collector hood: diameter 375mm/200mm, high-density PP / PC is made of three choices of red, gray and transparent. Telescopic catheter: the diameter 75mmPVC/PC holder: high density PP / PC material (ceiling / wall), PP / PC (Desktop) Description: PC required for combustion of plastic materials and plastic in the high temperature of the material to meet the needs of laboratory safety Anhui Huasheng Technology Holding Co., Ltd., Anhui headquarters Global Hotline 86-0550-7092555 / 13855057418 Service Hotline 400-7788-515 the mailbox hskjxsb01@126.com Fax 0550-7092557 Address Anhui Tianchang Yang Road 666 Anhui Huasheng Technology Holdings Company Limited, Jiangsu Branch Contact Phone 025-83225528 Address No. 40 East Beijing Road Huaying Building, Room 607 Anhui Huasheng Technology Holdings Co., Ltd. Hefei Branch Tel 0551-5530101 Contact address Hefei, Fuyang North Road and North Second Ring Road intersection Valiant Business 1 1601