HIGH-EFFICIENT FILTRATION - The premium carbon filter for water bottle replacement can effectively reduce chlorine, and odor, sand, rust, sediments, so that you can drink clean water anytime and anywhere EASY TO INSTALL - Rinse all parts of the filter with water; put the filter into the straw; Tighten the cover and fix the filter; Install the silicone nozzle and then you can enjoy the cleanYour home's tap water may appear to be clean, day, harmful pollutants can enter the water supply and collect pollutants through old pipes.Filtering water day is important to keep your drinking water safe for you and your , and water can effectively filter and reduce these contaminants.For the safety of you and your , we recommend changing your filter two months so you can drink cleaner, better-tasting water. Material: plastic Colour: as shown Package Contents:5 x kettle filter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.