The Waterdrop 4396508 Refrigerator Water Filter Replacement for Whirlpool is a set of 4 white water filters designed specifically for Whirlpool 4396508 models. Made from lead-free, food-grade materials with activated coconut carbon block technology, these filters are suitable for household use. With dimensions of 1.57 inches in depth, 9.65 inches in height, and 4.61 inches in width, these filters are easy to install and provide clean, fresh water for your household needs. The Waterdrop brand ensures quality and reliability in water purification, making this product a convenient and efficient choice for your refrigerator. One filter is not plastic sealed.