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Rumble Go  Portable Cold Brew Coffee Filter - Fits Wide Mouth Water Bottles, – Universal Fit - Brews Coffee Anywhere - Eco-Friendly & No Disposable Parts (Orangey-Red Cap & Base)
✔ A TRULY PORTABLE COFFEE MAKER - Simply drop this lightweight 2.8oz Rumble Go filter into a compatible water bottle, and you've instantly transformed it into a portable cold brew coffee maker. The brewing process couldn't be easier  just add coffee grounds to the filter and water to the bottle, then seal it up and give it a "rumble" (i.e. rotate bottle horizontally 2 times), and your coffee is now brewing! By morning, you'll have cold brew coffee as good as the stuff the pros make. ✔ C

Price is $20.00
Price: $19.99