They have been produced from high quality material for refreshing air in the places where heating and cooling are not wanted according to physiological characteristic of environment air, they have low or high suction and blowing capacity, and they are full leakage proof.  Cassette can be used with filter or without filter.

Filter types that are used in Cassette type filters :
- Metal Wire Filter ( oil trapper )
- Granule carbon (odour trapper )
- Metal Wire filter + Granule carbon ( oil and odour trapper )
Granule Carbon Filter :
Cassette Dimensions: provides 650 m3/h air flow with 592x592x50 mm dimensions.
Cell aspirators are designed and produced due to their assembly place, air channel conditions, and suction and blowing directions.