Check the listing for details. KEYKRAFTER #11R RUBBERHD. Condition: New. Listed at 19.38 USD. KEYKRAFTER #11R RUBBERHD This filter keeps a healthy level of fluoride (a water additive that promotes strong teeth), Reduces Chlorine, Atrazine, Lindane, Lead, Turbidity, and Cysts. It is recommended that you replace your water filters every 6 to 8 months. Our filters are guaranteed to last for at least 8 months or your money back! Carries WQA Gold Seals, ANSI 42 Certified:Certified Green Product and Ready to Install. High Quality, Cost-Effective Alternative to Factory Original. Lifetime Shelf Life! 6 Month Warranty After Initial Use! No Hassle Return Policy! Sealed and Ready to Install! No Tools. USA SHIPPING eBay estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.