(32oz Filter only w/ Dark Black cap) - Rumble Jar - Next-Gen Cold Brew Coffee Maker for 950ml Mason Jars - 200 Micron Filter Is Ideal for Coarse Grounds & Stronger Coffee - Includes Cotton Filter S...

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☕ Elevate your cold brew game—brew smarter, fresher, stronger!

Rumble Jar’s next-gen cold brew filter is precision-engineered with 200 micron holes in dent-resistant 18/8 stainless steel, designed exclusively for Mason jars. Its patented capped design nests fully inside the jar to maintain an airtight, leakproof seal, preserving freshness and portability. Compatible with 1-quart wide-mouth Mason jars, it simplifies professional-quality cold brew preparation to under a minute of active time. BPA-free, dishwasher safe, and including a cotton filter bag for fine grounds, it’s the ultimate upgrade for millennial coffee aficionados seeking barista-level cold brew at home.