Eight glasses of water per day? Are you crazy? For some us, plain old water is, well, a little bit boring. Perk up your palate with new PUR Flavor Options! Starting at just $9.99 for a flavor cartridge, the PUR water filtration system mounts on your faucet and not only eliminates lead and chemicals, but infuses your water with calorie-free, sugarless fruit flavors like raspberry, peach and strawberry Get your faucet-mounted PUR filtration from Drugstore ($49.46, 4% Cash Back) or J&R.com ($44.99, 3% Cash Back).