Home > Companies > Rytons Building Products Ltd > Rytons Multifix® Air Brick with Flat Channel Ducting Adaptor

Plastic, air brick with a specially designed adaptor to connect to Flat Channel Duct RD4/M.


  • Supplied as a single unit ready for use.
  • Available in a range of seven colours to maintain the external aesthetic appearance.
  • Multifix® Air Brick UV stabilized to slow down the effects of sunlight.
  • Part of Rytons 100 mm (110 x 54 mm) RytDuct® Range.
  • For applications requiring lower extraction rates such as bathrooms, WCs and cooker hoods.
  • For use with cooker hoods and extraction fans with a maximum output of 250 m³/hour.
  • Suitable for working temperatures of -20 to +60ºC.

Related literature

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Standard product features

Free area:

4794 mm² (47.94 cm²).

Size (l x h):

220 x 72 mm (includes 106 x 51 mm male connector).


  • Multifix® Air Brick: UV stabilized polypropylene.
  • Adaptor: High quality plastic.

NBS Specification

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This product is associated with the following NBS Create clause:
45-80-50/370 Airbricks

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Rytons Building Products Ltd


+44 (0)1536 511874

Product reference

Blue/ Black.
Buff/ Sand.

Manufacturer details

Design House,
Orion Way,
Kettering Business Park,
Northamptonshire, NN15 6NL
Tel +44 (0)1536 511874
Fax +44 (0)1536 310455
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