Lowest factory price Nano- carbon 3)OEM accepted 4) Absorb formaldehyde, benzene and TVOC, eliminates odours, Bamboo Charcoal Bag for Refrigerator/Refrigerator deodorized bag Product Standard N: Q/SOIF 16Product details:1.Material: High quality nano activated carbon2.Net weight:150g/bag(can according to you)3.Usage Purpose: odor fragrant, clean fragrance,moisture absorption, eliminate odors, ...