Special material used for removing Volatile Organic Chemicals(VOCs) like formaldehyde Active carbonsheets and bags have numerous micro-pores, They can effectively remove odors from the air and keep you away from the potential harm of the polluted air. Features: 1) Material: active carbon 2) Large filter surface 3) Low resistance 4) Long life 5) Highly efficient sterilization 6) Orders with special sizes are acceptable

activated carbon filter 2