Esteem Industries, Inc. Supplies Autoclave Rectangular Horizontal Sterilizer. Esteem Industries, Inc. Is an ISO 9001:2008 registered company. Autoclave Rectangular Horizontal Sterilizer is based on the principle that microbiological action of saturated steam at elevated temp is rapid and thorough. Autoclave Rectangular Horizontal Sterilizer work on downward displacement of air principle which is most economical method of obtaining for all types of bulk sterilization which are commonly needed in medical, agricultural and pharmaceutical institute suitable for sterilizing hospital dressings, linen, rubber plastic goods, surgical instruments, glassware`s and utensils etc. This device protects the heater in the generator from burning out dry.