Refresh your favorite new cold brewer with the GrowlerWerks uKeg Nitro Coffee Refill Kit. Inside each kit, you'll find 5x 16-gram N2O Cartridges, 10x 60-gram paper coffee filters, 2x cleaning tablets, and a charger replacement seal. With this kit, you'll have everything you need to brew up to 250 ounces of fresh nitro cold brew.

GrowlerWerks products containing N2O Cartridges may only ship via ground service and cannot be delivered to Alaska or Hawaii. N2O Cartridges are non-returnable.