Medelcos Cafe Brew Stovetop Percolator is made from laboratory quality borosilicate glass from Germany and is for use on electric and gas stove top ranges. This Perk is a great, affordable option that enables you to brew your own coffee even when the power is out. BPA-free and dishwasher safe. Product Dimensions: 7.44 L x 5.50 W x 7.31 H.