*Made of polyropylene filter materials.*Water repellent materials, micro-organism resistance.*Inflaming retarding.*Used in bag filters.

*Paper honeycomb with low temperature catalysagen. *Purifies toxic organic gas, bring no sub-contaminant, with sterilization performance.*Used in various household air cleaning devices.

*Paper honeycomb with Negative ion generation materials.*Used negative ion to decompose contaminant vapor.*Used in ventilations in cars.