Sunil Heat's Cartridge Heaters Provide: Excellent Heat Transfer Longer Life with cost economy High Production and shorter delivery time — Proven Technology based on extensive experience of many years With built-in thermocouple for special applications Sunil Heat's Cartridge Heaters Provide: Excellent Heat Transfer Longer Life with cost economy High Production and shorter delivery time — Proven Technology based on extensive experience of many years With built-in thermocouple for special applications