4 Zero Non-insulate Duct is made from fire rated aluminum foil+ PET (can be one-sided or two-sided), laminated with glue, which is glued by encapsulating spring wire inside. It is used for the air supply or return in the air conditioning system connecting with the tuyere where have high require for temperature resistant.
This is Zhongshan Lotusair Co.,LTD, which is specializing at manufacturing of HVAC grills, diffusers,flexible duct,dampers etc. We are located at Zhongshan of Guangdong Province of China. Our products are mainly expported to Australia until now.