Waterspecialist WS645A Refrigerator Water Filter 3 Pack | NSF 42 & 372 Certified

• Note: This product is square, not round. Replacement for DA97-17376B (HAF-QIN), not compatible with DA29-00020B (HAF-CIN). The Waterspecialist refrigerator water filter features filtration performance is comparable to the original brand. It is also certified by authority NSF 42 and 372. Far different from generic brand, Waterspecialist only adopts superior coconut shell carbon block to improve taste and odor.
• Great filtration: Waterspecialist refrigerator filters can reduce many harmful substances in water including heavy metals, mercury, chlorine, odor, THM, VOCs (volatile organic compounds), particles, copper, cadmium, chromium, and all other major impurities. This has been tested and proven by an independent third-party laboratory. While the impurities are reduced, every beneficial mineral in your water is kept, ensuring that your body functions properly.
• Premium filter material: Waterspecialist selected BPA-free and food-grade filter housing that passed NSF 372 certification for lead-free filtration. We also adopt natural coconut shell carbon block that contains larger surface area and more micropores. Thus, the filter cartridge can efficiently reduce chlorine, bad taste and odor.
• Perfect fit: Waterspecialist combines precision measurement technology to produce refrigerator filters with exquisite engineering designs, unlike inferior replacement filters that can cause water leakage issues. Also, Waterspecialist saves you time and hassle by offering tool-free refrigerator filter replacements.
• Fresh-tasting water: The natural coconut shell carbon block absorbs more impurities. The Waterspecialist refrigerator filter provides you a unique filtration experience.
• Food-grade materials: We selected BPA-free and food-grade filter housing that passed NSF 372 certification for lead-free filtration. Waterspecialist is here to protect your water safety.
• Monthly install stickers: Expired replacement filters might cause an accumulation of pollutants and only achieve low-standard filtration performance. Therefore, Waterspecialist filters come with date labels that remind you to change it on time. Besides, the filter life is 6 months or 316 gallons (varies based on the water condition).

• Open your refrigerator door and find the water filter compartment. It's usually located at the top right inside the fridge or in the grille at the bottom. — Locate Filter Compartment
• Twist the old filter counter-clockwise to unlock and remove it. Some models may require you to push a button to release the filter. Discard the old filter properly. — Remove Old Filter
• Align the new Waterspecialist WS645A filter with the compartment, push it in, and twist clockwise until it locks into place. Ensure it's securely seated to prevent leaks. — Install New Filter
• Dispense 2-3 gallons of water to flush the new filter. Reset your refrigerator's filter indicator light by pressing and holding the designated button for 3-5 seconds. — Flush System & Reset Indicator

Typical situations where Waterspecialist WS645A Refrigerator Water Filter 3 Pack | NSF 42 & 372 Certified helps — illustrative scenarios, not customer reviews.