Nitrous Bottle Heater 4" x 12 1/2" 12V 240W KEENOVO Flexible Silicone Heater Wonderful element to heat nitrous bottles to achieve an ideal pressure for its ultimate performace. Straps offers fast and easy installation. Versatile and may be used in many other applications. Size: 100mm X 317.5mm ( 4" X 12 1/2") 240W 12V Item Location: Shanghai, China