Yama Glass 5 Cup Stovetop Coffee Siphon (Syphon) Unique, theatrical way to make coffee; 20-ounce (5-cup) capacity Vacuum brewed coffee produces a cleaner, richer, and smoother cup Made of heat resistant borosilicate glass; heat-resistant handle Works on gas and electric rangetops; comes with wire diffuser for use on electric coil burners Dishwasher and microwave safe; imported