Following are a few of the generally used 201 Stainless Steel cartridge heaters, pleaseclickthe length to visit the right specification page. Also, the warmers can becustom for different sizes, power and voltage, once you need, please contact with us freely. 12 Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 13mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 14mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 15mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 16mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mmIf you would like more size,please link right here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Dia. 17-25mm 13mm×380mm-500mm Cylindrical Cartridge Heaters 1200W-1600W for Heating Applications 110V/220V/380V 2pcs/lot Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 13mmTube Length: 380mm/400mm/420mm/450mm/500mmWire Length: 300mm(11")Power:1200W-1600WVoltage: 110V/220V/380VPackage: 2pcs/lot 13mm Cartridge Heater Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core taking pictures Machine,packaging machinery,flat vulcanizing machine, and so on spot is not applicable to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to make your mind up the right specifications? 1)Voltage: (110V/220V/380V/12V/24V and so on)2)Wattage: (there is error -10% - +5%)3)Tube Diameter:(The default diameter is a dangerous tolerance. For example:10mm is 9)Tube Length: (The default diameter is +/-2mm)5) High Temperature Line:(Default 300mm) 3. About Non-standard customization Instructions:Please confirm the specific parameters earlier than ordering the shopper prompted the mistake, the corporate does not assist the return. Instructions for use:1. Before use, please measure the power on multimeter. If there's no area after measured then could be installed. If there is no power, please touch with us. The cartridge warmers ought to be connected with the proper wiring method, wiring mistakes can cause slow heating or injury two regular wiring tips of customers are as follows: SHIPPING NOTICEAll packages from our store are registered site: 17track/en, PAYMENTVISA,Mastercard,WESTERN UNION,Maestro,Bank Transfer,QIVI WALLET,WebMoney,Boletol,PayPal WARRANTY SERVICEDelivery Time:Ship out within 3-5working daysAll emails might be answered within 24 hours REFUND or RESENDIf goods no longer obtained or damaged,please cooperate with us to take images once you receive it, then provide us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please be at liberty contact with us before you leaving a feedback,we will try the best that can allow you to clear up it Immediately.