CLASSIFICATION OF AIR FILTERS
SELECTION OF FILTER AS PER EFFICIENCY RATING
| EFFICIENCY | TYPE OF FILTER | MEDIA |
|---|---|---|
| 99.97 % down to 0.3 micron of particle count | Absolute Filter (HEPA) | Micro Glass Fibre Media |
| 99 % down to 1 micron of particle count | Pocket Bag Filter | Polyester Media Backed By micro-tissue paper |
| 99.9 % down to 5 micron of particle count | Microvee Dry Type (Cleanable) | Polyester Media Backed By G.I Wire Mesh |
| 99.9 % down to 2-3 micron of particle count | Dry Type (Disposable) | Special Polyester Media / polypropylene with G.I. Mesh |
| 99 % down to 5 micron of particle count | High Density Polyethylene (Washable) | 5 Layers of HDP Cloth |
| 95 % down to 10 micron of particle count | High Density Polyethylene (Washable) | 4 Layers of HDP Cloth |
| 99 % down to 6-8 micron of particle count | Dry Fabric (Cleanable) | 3 layers of G.I. Mesh 2 Layers of Filter fabric |
| 90 % down to 15-20 micron of particle count | HDP Washable | 3 Layers of HDP Mesh |
| 90-95 % down to 10 micron of particle count | Automatic Self Cleaning Viscous Type | Steel Wire Mesh as filtering media with Oil Drop Eliminator |
| 90-99 % down to 5-10 micron of particle count | Automatic Dry rollomatic Filter | Glass fibre, Polyester |
| 99.9 % down to 2-3 micron of particle count | Disposable Dry High Efficiency Type | Glass Fibre Media for special application in Gas Turbines |