💦 Drink Pure, Live Fresh! Experience water that tastes as good as it looks! Fits a wide range of Sub-Zero models effortlessly. Change filters in seconds with a twist-lock design. Retain essential micronutrients while removing impurities. Enjoy clean water for up to 6 months or 300 gallons. 97.9% chlorine removal Twist-lock design NSF42 certified The GLACIER FRESH Water Filter Replacement is designed for Sub-Zero refrigerators, effectively removing 97.9% of chlorine to enhance the taste and smell of your water. With a twist-lock design for easy installation and compatibility with multiple models, this filter ensures you enjoy clean, refreshing water for up to six months or 300 gallons.