It is a polyester filter with polyamide grid at the outlet of the air. It is 20mm thick and is a filter of M5 class. The particular filter is known as ceiling filter, because it can be used as a filter for the ceiling of a paint booth.
This filter with a thickness of 60mm is manufactured by fibers of glass. It is appropriate for the retention of dust and paint droplets with 89% efficiency.
The antipollution unite is applied on paint industries of small or large scale where the air from ventilation may not contain paint droplets but the odors of paint remains.