Their costs are higher but fair contemplating the huge difficult to find stock and the caliber of their items are often as explained. I've referred many people to them with 110% fulfillment. The filter suits inside the straw and filters the water as anyone beverages. Brita states its filter https://alkaline-anytime-filter12108.bloggin-ads.com/35894546/the-single-best-strategy-to-use-for-pitchers