400/450/500mm dia Curved Access Door 250*150

400mm dia Curved Access Door 400*300

400mm Curved Access Door (300*200)

355mm dia Curved Access Door (300*200)

350/355mm dia Curved Access Door 250*150

315mm dia Curved Access Door (300*200)

300/315mm dia Curved Access Door 250*150

225/250mm dia Curved Access Door 250*150

180/200mm dia Curved Access Door 250*150

150/160mm dia Curved Access Door 250*150

100/125mm dia Curved Access Door 180*80

The Ostberg LPKB Silent is almost the same and has the same benefits as the LPKB. But LPKB Silent is equipped with a built-in silencer on the inlet side for an even lower sound level. LPKB Silent is available with AC or EC motor.

The Ostberg IRB EC Fan is equipped with 50 mm of thermal and acoustic insulation and makes it ideal for handling cold air. Designed for high pressure and long, complicated duct runs.

The Ostberg IRB EC Fan is equipped with 50 mm of thermal and acoustic insulation and makes it ideal for handling cold air. Designed for high pressure and long, complicated duct runs.

The Ostberg IRB EC Fan is equipped with 50 mm of thermal and acoustic insulation and makes it ideal for handling cold air. Designed for high pressure and long, complicated duct runs.

The Ostberg IRB EC Fan is equipped with 50 mm of thermal and acoustic insulation and makes it ideal for handling cold air. Designed for high pressure and long, complicated duct runs.

The Ostberg IRB EC Fan is equipped with 50 mm of thermal and acoustic insulation and makes it ideal for handling cold air. Designed for high pressure and long, complicated duct runs.

The Ostberg CK 250 EC Centrifugal Duct Fan has proven performance and reliability. It is compact with high capacity and efficiency with low sound levels.

The CK 200 EC Centrifugal Duct Fan has proven performance and reliability. It is compact with high capacity and efficiency with low sound levels.