Over time, Keurig (TM) machines build up old grinds and residues, tainting the flavor of your coffee and espresso. Quick & Clean's proprietary cleaning formula cuts through and eliminates these residues, bringing taste back to normal Residue build ups in the pack holder, funnel & exit needle can eventually cause damage to your machine. Regular cleaning using Quick & Clean's cups restores these elements and enhances the lifespan of your machine Completely safe - non-toxic, biodegradable and gentle on your Keurig (TM) brewer (1.0 & 2.0-compatible). Easy to use - simply brew one large cycle with the pod, then one large cycle with water-only (discard liquid & cleaning pod) With 6 cleaning cups per package and incredible cleaning effectiveness, Quick & Clean's cleaning cups provide 3+ months of cleaning power (based on daily usage) This is an aftermarket cleaning product manufactured and distributed by Quick & Clean (TM). This is not a Keurig (TM) OEM product and Quick & Clean has no affiliation with or endorsement from Keurig (TM). Our product is not covered under any Keurig (TM) manufacturer's warranty. The Keurig (TM) brand names and logos are the registered trademarks of their owners. Any use of the Keurig (TM) brand name, model or any other related designations are made solely for purposes of describing and illustrating compatibility.