Following are among the many commonly used 304 Stainless Steel cartridge heaters, please click on the size to visit the proper specification page. Also, the heaters could be culture for various sizes, energy and voltage, whenever you need, please contact with us freely. 6mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 7mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 8mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 8 Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 9mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mmIf you need more size,please link right here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Dia. 17-25mm Heating Element 8×380mm-500mm 220V/110V/380V Cartridge Heater 1010W-1330W for Heating Applications 2PCS Specifications: Product Name: Cartridge HeaterMaterial: 304 Stainless SteelTube Diameter: 8 Length: 380mm/400mm/420mm/450mm/500mmWire Length: 300mm(11")Power: 1010W-1330WVoltage: 110V/220V/380VPackage: 2pcs/lot 8 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 isn't always applicable to liquid and air heating, non-standard item can contact us for custom. 2. How to determine 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 destructive 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 buyer induced the mistake, the corporate doesn't help the return. Instructions for use:1. Before use, please measure the flexibility on multimeter. If there isn't any difficulty after measured then would be installed. If there is no power, please touch with us. The cartridge warmers must be related with the proper wiring method, wiring mistakes could cause slow heating or harm two regular wiring methods of shoppers are as follows: SHIPPING NOTICEAll packages 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 within 3-5working daysAll emails can be replied within 24 hours REFUND or RESENDIf goods now not acquired or damaged,please cooperate with us to take images once you acquire it, then present us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please be happy touch with us earlier than you leaving a feedback,we will attempt the finest that will aid you clear up it Immediately.