







☕ 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.




| Brand | Rumble Jar |
| Color | 32oz Filter only w/ Dark Black cap |
| Product Dimensions | 7.62 x 7.62 x 15.88 cm; 139 g |
| Capacity | 1 Quarts |
| Material | Cotton, Silicone, Stainless Steel |
| Compatible Models | Coffee Maker |
| Item Weight | 139 g |
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