Overview Reviews Product Description Nexthermal 119121003004 Heater Cartridge 48V Diameter: 1/2 Inch 400W with 2 Wires. Product Videos Custom Field Volts 48 Watts 400 Product Reviews Write a Review Write a Review × Nexthermal 1.19.121.003.004 Heater Cartridge 48V Diameter: 1/2 Inch 400W with 2 Wires Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *