Following are among the many generally used 201 Stainless Steel cartridge heaters, pleaseclickthe length to go to the proper specification page. Also, the warmers can becustom for different sizes, energy and voltage, when you need, please contact with us freely. 17mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 18mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 20mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 22mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 25mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm If you need extra size,please link here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Dia. 17-25mm 22mm*120/125/128/130/135mm Heating Element Mould Single End Wired Cartridge Heater 660W-750W 110V/220V/380V 2pcs/lot Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 22mmTube Length: 120mm/125mm/128mm/130mm/135mmWire Length: 300mm(11")Power: 660W-750WVoltage: 110V/220V/380VPackage: 2pcs/lot 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 rarely relevant to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to make your mind up the proper 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 adverse 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 client prompted the mistake, the corporate would not assist the return. Instructions for use:1. Before use, please measure the flexibility on multimeter. If there is no situation after measured then would be installed. If there is not any power, please touch with us. The cartridge warmers ought to be linked with the correct wiring method, wiring errors could cause gradual heating or injury two typical wiring tricks of shoppers are as follows: SHIPPING NOTICEAll applications from our shop are registered site: 17track/en, PAYMENTVISA,Mastercard,WESTERN UNION,Maestro,Bank Transfer,QIVI WALLET,WebMoney,Boletol,PayPal WARRANTY SERVICEDelivery Time:Ship out inside 3-5working daysAll emails can be responded inside 24 hours REFUND or RESENDIf items no longer received or damaged,please cooperate with us to take photos when you obtain it, then present us the evidence,we will refund or resend a fresh one to you,thanks FEEDBACKAny questions please be at liberty contact with us earlier than you leaving a feedback,we will attempt the best that will allow you to clear up it Immediately.