About This Item
"GLACIER FRESH GF-8001 replacement for Whirlpool refrigerator water filter 4 is made of food-grade and BPA-free materials and 100% selected Sri Lanka coconut shell activated carbon. The 0.5-micron filter pores remove impurities while retaining beneficial minerals, enhancing the water experience and caring for your health.Its material, structure, and performance are all tested by NSF42 standards. Follow the instructions and install in minutes with no extra tools required. We recommend that you change your refrigerator filter every 6 months or every 300 gallons, whichever comes first, depending on your water quality."