Kitchen Faucet attachment Block rust, impurities and harmful substances up to the size of 1㎛ to 5㎛.. Removes any foreign substances entering the home through the old water pipes Spray selection method- adjustable water flow through rotation Includes: Faucet attachment, Sediment filter Sediment filter is used for water purifier so it is safe Spray plate produces Negative lon 315,000 ion/cc. Made in South Korea | SGS Tested