M/S MINIPORE MICRO PRODUCTS - PTFE Membrane Filter for PM2.5 Ambient Air Monitoring, GF/10 Filter Roll for Automatic Filtration Unit & Cellulose Nitrate Membrane Filter Disc Manufacturer from Ghaziabad, Uttar Pradesh, India In beginning of 2004, Minipore Micro Products was established as a small scale manufacturing unit, with its major focus on quality.