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Air Excellent DBOX Internal Air Restrictor Ring

Article number: 188564

Air Excellent DBOX Internal Air Restrictor Ring

Article number: 188564

An Air Excellent distribution box accessory used to set the flow rate in a duct.

  • Low system pressure loss due to radial design
  • Airtightness class D/ATC 2 up +/- 2000 Pa, which minimises fan energy use and sound production
  • Modular manifolds, which can be used with all duct types
  • Semi-rigid ducts on a roll and airtight mechanical connections, which are extremely easy to install
  • TÜV SÜD and ISEGA tested and certified, REACH compliant


Article number188564
GTIN / EAN8713645213507
Price5.95 GBP
Valid from01/01/2021
Trade nameAir Excellent


Height6 mm
Length gross76.6 mm
Net weight0.01 kg
Width76.6 mm




Temperature resistance (max.)60 °C
Temperature resistance (min.)-20 °C


Gross weight0.01 kg
Number per packaging1
Packaging / Trade height6 mm
Packaging / Trade length76.6 mm
Packaging / Trade width76.6 mm
Packaging of unitUnpacked