Global Amici Large Lemonade Jar Stand Certification standard: NSF42 / 372 Reduces 23 Contaminants Including waterborne parasites, lead,rust and pesticides . Does not remove beneficial minerals Certified to fit these leading refrigerator brands: Whirlpool EDR2RXD1 maytag, kitchenaid, jenn-air and amana replaces model number w10413645a Replace filter every 6 months or 200 gallons to maximize contaminant reduction Our Products are Backed by a Life Time Guarantee and We Pride Ourselves on 100% Customer Satisfaction. To reduce your skepticism about Our quality.