Creative Oz-Air [I] Pvt. Ltd. Manufactures Ozone Testing Equipment Accessories. Creative Oz-Air [I] Pvt. Ltd. Is an ISO 9001: 2000 certified company. Different types of Ozone Testing Equipment Accessories are as follows: Ventury injector & non return valves Ozone Injection & Contact systems Ozone diffusers Ozanation Tanks On Line Ozone Injection Systems