The C&M ultra-low resistance and medium efficiency composite media are specially developed for purification systems such as central air conditioning, commercial air conditioning, HVAC and fresh air circulation systems. The filtration efficiency of PM2.5 can reach 70%-95% with stable and lasting performance.

Under the premise of ensuring sufficient air supply of the ventilation system, the cleanliness of the in and out air is greatly improved. The products have been recognized and approved by the famous HVAC and air-conditioning brands.