RD3LVBG – Rytons 6×3 Louvre & 74.5mm Dia. Backplate Set (77mm Dia. Range)

General Details

RD3LVBG – Rytons 6×3 Louvre & 74.5mm Dia. Backplate Set (77mm Dia. Range)

  • Small, low profile, fixed open louvre grille with spigot for rigid pipe and flexible ducting.
  • Connects to Rytons 77mm Dia. Mini AirCore® Tube AC3TUBE.
  • U.V. stabilised to slow down the effects of sunlight.
  • PLEASE NOTE: This item is a plastic component and therefore not suitable for use within the external walls of high-rise buildings requiring non-combustible materials, i.e. those 18m high or more complying to Regulation 7(2) and Approved Document B, and those 11m high or more complying to 2.7 of Building (Scotland) technical handbook 2019.  For compliant alternatives, which includes our tailor-made design service, see Rytons A1 Fire-rated Ventilation Range.


  • 155mm L x 94mm H with 74.5mm Dia. male spigot.

Free Area:

  • 3,940mm² (39.4cm²) per set.


  • Terracotta: RD3LVTCBG.
  • Buff/Sand: RD3LVBSBG.
  • White: RD3LVWHBG.


  • Louvre grille: U.V. stabilised high impact polystyrene.
  • Backplate: High impact polystyrene.

Rytons is proud to be a family run business and British manufacturer since 1972.

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In case of query please call 01536 511874, thank you.

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