CapaBunga - The Reusable Cap for a Wine Bottle- Drink Me/Be Wine High grade carbon block, that removes over 99 percent of numerous potentially harmful contaminants which may be present in your water. Very easy to install with bare-handed, dont forget to replace it every 6 months or up to 300 gallons. (please ensure our water filter is compatible for your refrigerator) Delivers clean, clear water that looks and tastes great. Quality is as good as the branded one. High grade carbon block, that removes over 99 percent of numerous potentially harmful contaminants which may be present in your water. According to the characteristics of the product, replace the filter every six months or 200 gallons.