💧𝐓𝐫𝐮𝐬𝐭𝐰𝐨𝐫𝐭𝐡𝐲 𝐃𝐞𝐬𝐢𝐠𝐧: The Maxblue under sink water filter is made from only safe materials. It also reduces the need for plastic bottles. You only need to replace the filter once every year to maintain an optimized filtration effect.