Olympus Pharma Machines Pvt Ltd. Manufactures User Friendly Hot Air Sterilizers. Featuring a control system that can be operated with ease, these Olympus Pharma Machines Pvt Ltd. User Friendly Hot Air Sterilizers are available in ranges such as OHAS 500 litres, OHAS 800 litres, OHAS 1200 litres, OHAS 1800 litres and OHAS 2300 litres.