Keurig® K-Cup® capsules do have a "best by" date which suggest the time period in which the K-Cups will be up to industry standards.
This date will differ with each package depending on when those specific K-Cups were manufactured.
Each Folgers' filter pack can produce four to six delicious 6 fl oz cups.
This option contains 40 filter packs per carton, so it would yield 160-240, 6 fl oz cups!
Although Pure Life water goes through a multi-step purification process which includes reverse osmosis and is enhanced with minerals, it is not considered to be an alkaline water. Instead, it is considered "neutral".
Each 48oz canister amounts to approximately 380 6oz cups.
If you like the taste of natural spring water over purified, artesian, or any other water source then this is a great choice for you.