Water filter composition and function: Zeolite: remove chlorine, chlorine and other heavy metal impurities, so that the smell of water health. Calcium nitrite: Not only adsorption of organic matter, toxic metal ions and harmful bacteria and viruses have a strong adsorption in water, especially for the dechlorination effect is more significant Activated carbon: to remove chlorine in water, odor and a variety of toxic and harmful substances, with bactericidal and bacteriostatic functions, can reduce the water and alkaline substances weak alkaline water PVC non-woven filter layer: iron slag filter water, sediment, suspended solids and visible impurities note Black water has started to flow out, which is normal, you can turn on the water for about 5-10 seconds, please read the instructions carefully and use the baby's back Avoid prolonged use in hot water, preferably at 50 degrees Celsius Type: Other Kitchen Accessories Material: Plastic,Resin,PP Resin Package weight: 0.082 kg Product size (L x W x H): 6.00 x 4.50 x 3.00 cm / 2.36 x 1.77 x 1.18 inches Package size (L x W x H): 10.00 x 8.00 x 9.00 cm / 3.94 x 3.15 x 3.54 inches Package Contents: 1 x Faucet filter