There is access to safe drinking water in many cities around the world, but contamination can occur during water transfer and in pipes. There is a virtual limit for each contamination, the amount of which should not be exceeded. Using water purifier system to remove such contaminants is a common way. The home purifier uses a variety of methods, such as sediment filtration, activated carbon filtration, reverse osmosis filtration, and ion exchange to improve water quality. These devices consist of various components such as water purifier base, filter chamber, water purifier switch, water purifier tank, barometer, water flow limiter, filter clamp and water purification hose and filter housing sealing washer. In the water purification process, the filter chamber is also exposed to contaminants. As a result, the use of antibacterial materials in the construction of the parts such as washer of the chamber can help improve the quality of treated water. In order to make the filter housing sealing washer with antibacterial properties, polymeric materials containing nanoparticles can be used.