Home > Companies > Rytons Building Products Ltd > Rytons Gravity Grille

Plastic, low profile gravity grille with spigot for rigid pipe and flexible ducting.


  • Gravity flaps open when appliance is in operation.
  • Connects to Rigid Pipe RD4/RND and suits 100 mm diameter RytHose range (or use RD4HCF).
  • 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.

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Standard product features

Free area:

7200 mm² (72 cm²).

Size (l x h x d):

155 x 155 x 16 mm (includes 99.5 mm diameter male spigot).


UV stabilized high quality plastic.

NBS Specification

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This product is associated with the following NBS Create clause:
45-80-50/396 Ventilation gratings

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

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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