Simpler process. Better results.
We build equipment to keep the cold-brewing process as simple as possible. No fancy gizmos here. Just professional-quality filters that minimize the amount of effort you need to make great coffee.
Kickstarter Project of the YearProject of the Year award
"It’s so easy to use, and now I can make cold brew at home just the way I like it!... It makes me feel like a barista/bartender in my own kitchen."
Architectural DigestArchitectural Digest review
"Count on the high-quality filter to not leave behind any coffee grounds. As a bonus, it makes for a great iced tea or infused water maker too."
Seattle Coffee GearWatch video review
"Awesome...this will be my go-to for the rest of the summer."
Complete Brewing Kits
Rumble Jar: Quart size (32oz), includes Mason jarRegular price $29.00Regular priceUnit price per
Rumble Go: Portable Cold Brew Coffee Maker, includes 34oz Insulated BottleRegular price $44.00Regular priceUnit price per
$49.00Sale price $44.00Sale
Rumble Jar: Half gallon size (64oz), filter-only (no Mason jar included)Regular price $21.99Regular priceUnit price per
Rumble Jar: Quart size (32oz), filter-only (no Mason jar included)Regular price $19.99Regular priceUnit price per
Rumble Go: Portable Cold Brew Coffee Maker (filter only)Regular price $19.99Regular priceUnit price per
Free Shipping on orders of $34+
U.S. Shipping is free on all orders of $34+, so why not get one for your home and another for the road? Shipping Info
Automatic 25% Discount on any second item
Order 2+ items and you'll automatically receive a Buy One, Get One discount for 25% off your second item. Discount info
Prep time: 1 minute. Clean-up: 30 seconds.
A little filter with a big fan club
Meet our next-gen cold brew filter
To build a better cold brew filter, we needed to re-think the tiniest details. It might look simple, but it's packed full of smart features. Come see what makes it a better cold brew filter.