Following are among the generally band heaters, please click the size(IDxH) to head tothe appropriate specification page. DiameterHeight 25mm:25-35mm40-50mm 30mm:25-35mm40-50mm 35mm:25-45mm50-70mm75-85mm90-100mm40mm:25-45mm50-70mm75-85mm90-100mm42mm:25-45mm50-70mm75-85mm90-100mm45mm25-45mm50-70mm75-85mm90-100mm50mm:25-45mm50-70mm75-85mm90-100mm55mm:25-45mm50-70mm75-85mm90-100mm60mm:25-45mm50-70mm75-85mm90-100mm65mm:25-45mm50-70mm75-85mm90-100mm70mm:25-45mm50-70mm75-85mm90-100mm75mm:25-45mm50-70mm75-85mm90-100mm80mm:25-45mm50-70mm75-85mm90-100mm LJXH 100W-180W Ceramic Plug Stainless Band Heater AC 110V/220V/380V Electric Heating Ring Inner Dia Height 25-45mm Specification:Product Name: Stainless Steel Band HeatersMaterial: Stainless Steel, CeramicVoltage: 110V/220V/380VInner Diameter: 42mmHeight (H): 25/30/35/40/45mmPower: 100W/120W/140W/160W/180WMax working temperature: 300-400 centigrade How to make a call right band heater Inner Diameter?Use a rope to measure your appliance circumference, and use a tape measure the rope whole size (C) . Then D=C/3. Package Contents:1PC Band heater Custom-made accepted:If you do not find the proper length in our store, please contact with us for custom-made. Please supply band heater:1) Band Heater Inner diameter (or equipment circumference)2) band heater height(or width)3) Voltage/Power4) Quantity