About products and suppliers
4904 air channels products are offered for sale by suppliers on Alibaba.com, of which set-top box accounts for 7%, professional audio, video & lighting(old) accounts for 1%, and dj controller/audio console mixer accounts for 1%.
A wide variety of air channels options are available to you, such as hotel, industrial.You can also choose from aluminum alloy, abs and stainless steel air channels,As well as from white, black air channels,