Presto Stantest Private Limited manufactures DLX Salt Spray Chamber. Presto Stantest Private Limited is an ISO 9001:2000 certified company that manufactures products for industrial measuring applications. DLX Salt Spray Chamber acts as a Salt Spray [Fog] Tester. It is used for assessing the ability of rust proofed components to resist corrosion. This chamber is double walled where inside is from stainless steel 316 and outside also Stainless Steel with glass wool insulation.