National Surgical Corporation is a company that specialises in sales and service of various products such as surgical microscope adapters, research microscopes, ophthalmology microscopes, gynaecology microscopes, surgical sheets and much more. Based in West Leederville, West Australia, they cater to medium and large businesses. COCOON Convective Warming Systems are one of the technically advanced medical products offered by National Surgical Corporation in Australia. COCOON Convective Warming Systems are light weight devices that weigh just 6 kilograms and have small dimensions of 29 x 22 x 40 centimetres. The user can adjust the temperature level according to their convenience. The different temperature settings offered by COCOON Convective Warming Systems are 34 degree Celsius, 37 degree Celsius, 40 degree Celsius, 43 degree Celsius and 46 degree Celsius. Their hose length varies from 1.5 metres to 2.0 metres respectively. COCOON Convective Warming Systems feature a bacteriological HEPA filter with a life of about 1000 hours, ensuring high-level of safety to the patient. The minimum time taken by these systems to warm up is up to two minutes. COCOON Convective Warming Systems requires a power supply of up to 230 – 240 Vac with a supply frequency of 50 hertz.