萬向抽氣罩（吸頂式、壁式） 關(guān)節(jié)：高密度PP 材質(zhì)，可360°旋轉(zhuǎn)調(diào)節(jié)方向，易折卸、重組及清洗 關(guān)節(jié)密封圈：不易老化之高密度橡膠 支撐彈簧/ 關(guān)節(jié)連接桿：304 不銹鋼 關(guān)節(jié)松緊旋鈕：高密度PP 制成，內(nèi)嵌銅質(zhì)螺母，與關(guān)節(jié)連接桿鎖合 氣流調(diào)節(jié)閥：手動調(diào)節(jié)外部閥門旋鈕，控制進入之氣流量 拱形/ 杯形集氣罩：直徑375mm/200mm，高密度PP 制成，紅色、灰色和透明三種選擇 伸縮導(dǎo)管：直徑75mmPVC / PP 固定架：高密度PP 材質(zhì)( 吸頂式/ 壁式) FUME EXHAUST(CEILING/WALL) Joint:high grade PP,to be 360° swiveled,dismantled & assembled easily for cleaning Joint seal ring: High-density anti-aging rubber Support spring/center bolt:stainless steel 304 Adjustable joint knob:high grade PP with a molded-in brass nut locking with center bolt Air flow control valve: adjust the external valve knob manually to control the entering of the gas flow Dome/cup hood:D375mm/200mm, high grade PP red, grey & transparent available Rigid Flexible Duct:D75mm PVC/PP Bracket:high grade PP (ceiling/wall mounted)