Following are a number of the commonly used 201 Stainless Steel cartridge heaters, please click the dimensions to go to the right specification page. Also, the warmers could be tradition for various sizes, power and voltage, whenever you need, please touch with us freely. nine Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-340mm380-500mm 10mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 10 Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 11mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 12mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm If you need more size,please hyperlink here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Dia. 17-25mm 10pcs/lot Cartridge Heater 12mmx62mm/65mm/68mm/70mm/75mm Heating Element 180W/190W/200W/220W AC110V/220V/380V 201SUS Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 12mmTube Length: 62mm/65mm/68mm/70mm/75mmWire Length: 300mm(11")Power: 180W/190W/200W/220WVoltage: 110V/220V/380VPackage: 10pcs/lot Cartridge Heaters Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core shooting Machine,packaging machinery,flat vulcanizing machine, and so on spot isn't always relevant to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to come to a decision 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 explicit parameters before ordering the customer prompted the mistake, the company does not assist the return. Instructions for use:1. Before use, please measure the ability on multimeter. If there is not any issue after measured then could be installed. If there is no power, please touch with us. The cartridge heaters ought to be related with the correct wiring method, wiring mistakes may cause sluggish heating or injury two steady wiring methods 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 inside 3-5working daysAll emails would be replied inside 24 hours REFUND or RESENDIf goods no longer received or damaged,please cooperate with us to take photos when you obtain it, then gift us the evidence,we will refund or resend a new one to you,thanks FEEDBACKAny questions please be at liberty contact with us before you leaving a feedback,we will try the finest that will assist you resolve it Immediately.