Otto Bull Aura Central Vacuum Unit – the ideal solution for anyone seeking maximum suction power, superior durability and easy operation in a central vacuum system. Available in four motor options, Aura covers up to 400 m² and delivers exceptional performance – for both residential and professional use.
For more information, check the technical data sheet.
With its 430 stainless steel mirror-finish body, Aura combines elegance and strength in a compact, refined design. Designed for intensive use, it exceeds standard expectations while requiring only minimal maintenance.
Why choose Aura Otto Bull?
- Real AirWatt power: from 555 to 696 AirWatts depending on the model for deep and effective cleaning.
- Large coverage: up to 400 m² with a single operator.
- Advanced filtration: 18 L microfiber filter bag captures dust and protects the motor.
- Quiet operation: Ø 50 mm silencer included for a more comfortable working environment.
- Flexible installation: Ø 50 mm inlet/outlet for versatile piping configurations.
Power and simplicity without compromise
With Aura Otto Bull, you get a stable and reliable central vacuum unit, ideal for daily or intensive cleaning. Its high energy efficiency and large dust collection capacity ensure a healthier environment and simplified maintenance.
Robust and durable construction
The stainless steel housing protects the motor and internal components, ensuring longevity and impact resistance. Perfect for intensive use in homes, offices and commercial spaces.
The ultimate solution for your central vacuum system
The Aura central vacuum unit represents the next generation of central cleaning: a powerful, reliable and professional system that enhances any space. With Otto Bull, you choose cutting-edge Italian technology, guaranteed service and a product built to last for decades.
Feature |
Aura |
Onda |
Collection system |
Microfiber filter bag |
Dust container |
Filter |
Motor protection filter |
Professional Class M filter cartridge |
Maintenance |
Replace bag only |
Check and clean filter cartridge once or twice a year (blow out with compressed air) |
Application area |
Domestic use with maximum convenience |
Domestic use with enhanced filtration |
Capacity |
18 litres |
17 litres |
Main advantage |
Minimal maintenance, no dust contact |
Finer filtration, consistent performance |
Motor power |
Identical – Otto Bull high-performance motors |
Identical – Otto Bull high-performance motors |
Aura vs. Onda – the choice for your home: Both Otto Bull product lines are designed for residential use and feature the same high-performance motors. The difference lies in the collection system and filtration: Aura uses a microfiber filter bag for minimal maintenance and no dust contact, while Onda has a dust container and a professional Class M filter cartridge for finer filtration. Choose the model that best matches your cleaning style.