About this item New version: This WD-PF-01A Plus Waterdrop filter matches with All Waterdrop Pitcher Filtration Systems, including models WD-PT-05, WD-PT-05-L, WD-PT-07, WD-PT-04, WD-PT-72, WD-PT-61. Healthy alkaline water: Alkaline water is one of the latest health trends. Alkaline water helps slow down the aging process and regulate the pH value of your body. It can also help avert various chronic diseases. Waterdrop alkaline and mineral filter contains mineral material, and the pH level can be increased to 8.0-9.5. You can drink alkaline water at home and stay healthy. Improved Coffee Taste: This alkaline water filter can improve the pH of your tap water and turn it into alkaline water. The alkaline water smooths the flavor of coffee by reducing acidity, refines the overall taste for a more balanced experience, and subtly enhances the natural sweetness, making each sip more enjoyable. Effective filtration: Using 6-stage water filter technology, Waterdrop water filter replacement tests water to eliminate as many impurities as possible. It can reduce fluoride, chlorine, taste and odor, and heavy metals such as aluminum, iron, copper, and mercury, tested by a third lab. At the same time, it adds zinc, calcium, magnesium, selenium, lithium, iodine, and other minerals and trace elements to your water. Drink more water every day with Waterdrop. Ultra-high absorptive material: The alkaline filter replacement employs carefully selected materials with advanced ACF (activated carbon fiber) technology. Its absorption capacity is 10 times higher than that of ordinary filters. The application of the latest Japanese technology assures you of the filter's high quality and stellar user Adds minerals to protect your health: This Waterdrop filter can produce over 100 gallons of alkaline and mineral water to help you stay hydrated and to enhance your immunity. Fast flow rate: The Waterdrop filter replacement has an extremely fast flow rate of 0.3gpm, giving you instant access to fresh filtered water. The direct filter construction ensures that nothing is retained in the reservoir, which means your water will be clean and pure.