Hybalans 75 / 92mm Semi Rigid Duct system

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The Hybalans 75mm 92mm Semi Rigid Duct system offers:

  • 100% successful air distribution
  • Five unique advantages
  • Flexible modular system
  • The best solution for any project
  • Simple plug-and-play system
  • Eliminates confusion
  • Foolproof adjustment
  • Also available in oval version


100% successful air distribution

Flawless transition to a healthy indoor climate

HB+ from M&G Fluess is a revolutionary air distribution system for all ventilation problems. It is easy to design and assemble, and unfailingly provides superior well-ventilated comfort that will last. HB+ has nothing but advantages to offer commissioners of work, architects, advisors and fitters. Now available in 3 different versions:

  •   HB+ Round 75mm
  •   HB+ Round 92mm
  •   HB+ Oval


1. Maximum freedom of design and flexibility

  • Modular system: the manageable number of components takes the hassle out of designing widely varying air distribution systems.
  • Unbelievably flexible: changes can easily be implemented into the design to accommodate changes made to the building, without sacrificing quality

2. Maximum comfort from all types of ventilation systems

  • Comfort assured: the simplicity of the system ensures perfectly regulated air distribution and a healthy indoor climate
  • No draughts: special inlet air valves provide a gentle flow of fresh air
  • No acoustic transference: keeping the ducts for each room separate eliminates ‘cross-talk’
  • Exceptionally quiet: thanks to the acoustic dampers in the air distribution manifolds and the smooth plastic connections

3. Energy-efficient and durable

  • Aerodynamic design: minimum ventilator power requirement, thanks to revolutionary low air resistance, means super energy efficiency
  • Durable quality: smart, computer-aided design provides optimum air circulation through the entire system, ensuring constant high quality

4. Time-saving assembly

  • Quick and easy assembly – no tools, no adhesives: thanks to snap connectors between the air distribution manifold, the flexible ducting and the air valves
  • No modifications needed: the floor retains its structural integrity, it does not usually need to be disturbed even when two ducts must cross
  • No post-assembly adjustment of air valves necessary: just fit the correct size of restriction ring as indicated by the HB+ calculator on www.mg-flues.com

5. Minimum maintenance costs

  • Very little maintenance required: intelligent design prevents fouling of ducting and loss of pressure
  • Easy to clean: air valves and ducts can easily be cleaned, without the risk of disturbing adjustment settings; no unexpected costs
  • Limited number of components: practical benefits for stock management, transport and assembly

Flexible Modular System

HB+ is a flexible modular system that can be used in any project:

  • in combination with individual, collective and balanced ventilation systems
  • in renovation projects and new builds
  • for homes and small utility buildings
  • in combination with wide slab, hollow-core slabs, cast-in-situ floors etc.