Following are a number of the commonly used 201 Stainless Steel cartridge heaters, pleaseclickthe length to go to the proper specification page. Also, the heaters 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 would like extra size,please link here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Dia. 17-25mm 5pcs/lot Cartridge Heater 25mmx62mm/65mm/68mm/70mm/75mm Heating Element 380W-470W AC110V/220V/380V 201SUS Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 25mmTube Length: 62mm/65mm/68mm/70mm/75mmWire Length: 300mm(11")Power: 380W-470WVoltage: 110V/220V/380VPackage: 5pcs/lot Cartridge Heater Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core capturing Machine,packaging machinery,flat vulcanizing machine, and so on spot is not relevant to liquid and air heating, non-standard products can touch us for custom. 2. How to choose the correct 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 categorical parameters earlier than ordering the client brought on the mistake, the company does not assist the return. Instructions for use:1. Before use, please measure the power on multimeter. If there is no difficulty after measured then would be installed. If there is no power, please contact with us. The cartridge heaters should be connected with the right wiring method, wiring errors could cause slow heating or harm two steady wiring tips of shoppers are as follows: SHIPPING NOTICEAll applications 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 could be spoke back inside 24 hours REFUND or RESENDIf goods not acquired or damaged,please cooperate with us to take pictures once you get maintain of it, then reward us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please feel free touch with us before you leaving a feedback,we will try the best that may assist you clear up it Immediately.