As one of its daily deals, SharkStores offers the Clear2Go Applica Sport BPA-Free NanoCeram Filter Water Bottle 3-Pack in Blue (pictured), Silver, and Clear for $19. Coupon code "3DEALNEWS3" cuts it to $16. With $4.95 for shipping, that's $12 under the lowest total price we could find for this quantity elsewhere. It's purported to remove 99.9% of microbial cysts from tap water while reducing chlorine taste and odor. One filter lasts up to 100 gallons. Deal ends today.