💦 Refresh Your Water, Refresh Your Life! Trust in NSF42 standards for superior filtration performance. Experience the taste of pristine water with 97.9% chlorine removal. Enjoy a hassle-free twist-lock design for quick filter changes. Fits a wide range of Sub-Zero models for versatile use. Replace every 6 months or 300 gallons for optimal freshness. 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 water taste and smell. With a twist-lock design for easy installation and NSF42 certification, this filter ensures high-quality water for up to 300 gallons or six months, making it a reliable choice for health-conscious consumers.