☕ Brew it your way, anytime, anywhere! Compatible with both nitrogen and nitrous cartridges for customizable flavors. Cut down on café costs and enjoy premium brews for less. Experience coffee shop quality nitro cold brew at home! Compact design with ergonomic handle for on-the-go enjoyment. 24/7 assistance from a proud US small business. 64 oz capacity Easy assembly 24-hour cold retention The Original Royal Brew Nitro Cold Brew Coffee Maker is a 64 oz insulated growler designed for making high-quality nitro cold brew coffee at home. With a double-walled vacuum insulation that keeps your brew cold for up to 24 hours, this coffee maker is perfect for outdoor activities, office use, or simply enjoying at home. It includes all necessary components for easy brewing and is backed by 24/7 customer support from a US-based company.