4 Inch Duct Hose made of extra strength 4-layers - Aluminum Foil + PET + Aluminum Foil and outer grey layer (PVC) ensure working on -22 to 266℉ environment
Thick layer of grey PVC on this ducting prevents light leaks and repels heat from your light fixtures to keep the air cool. Works with exhaust and intake fans, carbon filters and hooded lights
4" diameter with adjustable length - This Ventilation Duct is 4 Inches in diameter and comes in 1 x 12 Feet Long and 2 x hose clamps, which can be cut into as many pieces as you need using a wire cutter and a paper knife
4 Inch Dryer Vent has wide variety of applications in ductwork system, heat filters, cafeteria, bakery, pharmacy, medical rooms, air conditioner, allergy room, bathroom, greenhouse, tent grow room, air tight system and stove vent, circulating the atmosphere, air-conditioning the flow, removing heat from an enclosure, distributes CO2, increases temperature & humidity levels and etc.
4 Inch Duct is super flexible and easy to install, it will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector. We include a pair of 4 Inch Clamps to make the installation a breeze
4英寸管软管由额外的强度4层 - 铝箔+宠物+铝箔和外灰色层（PVC）确保在-22至266℃的环境下工作【·】厚的灰色PVC在此管道上防止漏光和漏光从灯具中排斥热量，以保持空气冷却。配合用排气和进气风扇，碳过滤器和连帽灯【·】4英寸直径可调长度 - 该通风管道直径为4英寸，含有1 x 12英尺长，2 x软管夹具，可切割为当您需要使用钢丝刀和纸刀【】4英寸干燥通风口有很多应用在导管系统，热滤清器，自助餐厅，面包店，药房，医疗房，空调，过敏室，浴室，温室，帐篷长度房，气密系统和炉子通风口，循环大气，空调流量，从外壳中取出热量，分配CO2，增加温度湿度水平等。【·········南部管道超级柔和而且易于灵活安装，它将直接滑动风扇，排气排气，碳过滤器或光反射器。我们包括一对4英寸夹具，以便安装微风