Cold Brew Coffee Maker | Rumble Go

Rumble Go could be the world's most portable coffee maker. Just drop the Rumble Go filter into any compatible water bottle, and it's instantly transformed into a portable cold brew coffee maker. The brewing process couldn't be easier: just add coffee grounds and water and give it a "rumble", and your coffee is now brewing! See why it was recommended by Outside Magazine and Wall Street Journal.

The universal, extendable filter is compatible with a range of popular 16-32oz WIDE-mouth water bottles, such as Nalgene^®, Hydro Flask^®, Klean Kanteen^® and CamelBak^®. See a list of known compatible bottles (plus instructions for measuring any bottles not listed). 

Don't have a Compatible Bottle? Rumble Go is also available with a bottle.

Brew coffee while you travel. Cold brew might be the easiest way to make coffee away from home. See why

Includes: 
+ 18/8 Stainless Steel Filter, Specifically Designed for Cold Brew 
+ Food-Grade Silicone Cap & Extendable Base (available in 2 colors)

To see what makes our line of filters ideal for cold brew, check out this product teardown.