![frame_for_OPMG80](http://www.svenskbakelitind.com/files/frame-for-opmg80.gif)
- Used principally for fitting in a masonry wall
- Material : Anti-corrosion treated sheet steel
![frame_for_OPMG80_bis](http://www.svenskbakelitind.com/files/frame-for-opmg80-bis.gif)
Capacity Chart for Exhaust Air Valve – OPF 80
![OPF80](http://www.svenskbakelitind.com/files/opf80.jpg)
Capacity Chart for Exhaust Air Valve – OPF 100
![OPF100](http://www.svenskbakelitind.com/files/opf100.jpg)
Capacity Chart for Exhaust Air Valve – OPF 125 & 125K
![OPF125 OPF125K](http://www.svenskbakelitind.com/files/opf125-opf125k.jpg)
Capacity Chart for Exhaust Air Valve – OPF 150 & OPF 160
![OPF160](http://www.svenskbakelitind.com/files/opf160.jpg)
Capacity Chart for Exhaust Air Valve – OPK 100 & 100K
![OPK100 OPK100K](http://www.svenskbakelitind.com/files/opk100-opk100k.jpg)
Capacity Chart for Exhaust Air Valve – OPK 160 & 160K
![OPK160 OPK160K](http://www.svenskbakelitind.com/files/opk160-opk160k.jpg)
Capacity Chart for Exhaust Air Valve – OPK 200df
![OPK 200df](http://www.svenskbakelitind.com/files/opk-200df.jpg)
Capacity Chart for Supply Air Valve – OPT63
![OPT63](http://www.svenskbakelitind.com/files/opt63.jpg)
Capacity Chart for Supply Air Valve – OPT100E
![OPT100E](http://www.svenskbakelitind.com/files/opt100e.jpg)
Capacity Chart for Supply Air Valve – OPT125
![OPT125](http://www.svenskbakelitind.com/files/opt125.jpg)
Capacity Chart for Supply Air Valve – OPT150 & OPT160
![OPT160](http://www.svenskbakelitind.com/files/opt160-433x1024.png)
Capacity Chart for Supply Air Valve – OPT200
![OPT200](http://www.svenskbakelitind.com/files/opt200-438x1024.png)
Capacity Chart for Supply Air Valve – OPTS 100E
![OPTS100E](http://www.svenskbakelitind.com/files/opts100e.jpg)
Capacity Chart for Supply Air Valve – OPTR 100
![OPTR100](http://www.svenskbakelitind.com/files/optr100.jpg)
Capacity Table – OPG 41
![OPG41](http://www.svenskbakelitind.com/files/opg41.jpg)