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Quantity
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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...
Reviews
4.8
31 ratings
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Well made …
It’s well made however everyone should remember that mason jar isn’t the generic term we might think. The Go won’t fit inside a 32 oz Ball jar. Ball is a brand, a type of mason jar.
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Chris · August 12, 2025
I had gotten a coffee press style travel mug that I liked the flavor of, but I didn’t like how hard it was to clean, and the lid was prone to leaking. So after a ton of research I found the Rumble Go and so far its exactly what I was hoping for. My hot coffee has the full flavor I wanted, and its so easy to get the grounds out. I’m so happy with this product.
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KATHERINE · July 5, 2025
Convenient, Compact, and Crazy Delicious
I prefer to drink cold brew coffee most mornings, and I didn't want to spend so much money in the mornings ordering the same cold brew. The Rumble Go allowed me to brew it myself so I could save money and enjoy my cold brew in the office! I already had a compatible Naglene bottle, so I only needed the Rumble Go filter. I really like that the Rumble Go is adjustable in height so it can fit a variety of bottles I already own. The cold brew tastes great!