Surfaces
![Air-X open Air-X open](http://vps-54005.cloudnet.se/sites/default/files/styles/medium/public/Air-X%20open.png?itok=wsZb7c_u)
Air-X (Open)
Abstracta
Air Gap (mm)
0
Evaluation Characteristics
Absorption
Mounting Conditions
Wall
![Air-X closed Air-X closed](http://vps-54005.cloudnet.se/sites/default/files/styles/medium/public/Air-X%20closed.png?itok=1oNU8XCi)
Air-X (Closed)
Abstracta
Air Gap (mm)
0
Evaluation Characteristics
Absorption
Mounting Conditions
Wall
![Parafon Step Parafon Sep](http://vps-54005.cloudnet.se/sites/default/files/styles/medium/public/Parafon%20Step.jpg?itok=aVvOthzh)
Parafon® Step for Grids
Parafon
Suspension Height (mm)
Evaluation Characteristics
Absorption
Mounting Conditions
Ceiling
![Parafon Step Parafon Sep](http://vps-54005.cloudnet.se/sites/default/files/styles/medium/public/Parafon%20Step.jpg?itok=aVvOthzh)
Parafon® Step Direct
Parafon
Suspension Height (mm)
0
Evaluation Characteristics
Absorption
Mounting Conditions
Ceiling