Primula’s Aluminum Stovetop Espresso Coffee Maker is compact, efficient and easy to use. The box contains easy step by step instructions to make the perfect cup of espresso the very first time. Simply fill the lower chamber with water, fill the filter with ground coffee and place on medium heat atop your stove. This heavy weight cast aluminum espresso maker features a safety-release valve, a major factor in controlling the quality of your espresso. Primula’s design allows you to make the perfect shot of espresso without worry as the safety release valve controls the pressure at a set, pre-determined level. This sturdy espresso machine is carefully crafted with strong, long-lasting aluminum and features a durable flip-top lid with a temperature resistant knob and handle that allows for easy, safe pouring.