Charcoal Water Filter Replacement for Keurig B77,B79,K10,K40,K60 Coffee Makers 05073 Please click on "Package Size" to see all options Sold in variety of quantities of 1,2,4,6,12,18,24 Satisfaction Guaranteed. Enjoy great coffee at home by simply replacing your water filter to allow the aroma and fresh-brewed flavors to come through Charcoal water filters Removes chlorine, odors, calcium, and other water impurities prior to brewing Easy to install Replace every 60 days or after 60 uses For use exclusively with the following Keurig Single-Cup Brewing Systems: B77,B79,K10,K40,K60 FEEDBACK: We will leave feedback after receiving a feedback. If for any reason you are dissatisfied with your purchase, please contact us immediately before leaving any NEGATIVE FEEDBACK so we resolve whatever issue you may have. 100% Customer satisfaction! Sales Tax: CA residents will be charged sales Tax SHIPPING: Orders are usually processed within 24-48hrs. All weekend purchases are shipped Monday. Tracking information is periodically updated by the shippers. Please check on www.usps.com Please note that we do not have any control over this. ALLOW 7-10 BUSINESS DAYS FOR DELIVERY. Item is well packaged before shipping. CONTACT US: Have any question(s) contact us in contact seller. RETURNS: Returns are accepted but must be authorized in advance.