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Slot diffusers with adjustable drums

Slot diffusers with adjustable drums

Drum grilles are slot diffusers with drums in the slots, allowing the discharge direction to be adjusted. We offer all LT350 slot diffusers with adjustable drums from Grada in all possible heights and widths, giving you extra choice. The grilles are made of aluminium and suitable for high performance. Because of the adjustable drums, the discharge direction can be rotated over 180°. The grilles are available in variants with one, two, three or four air slots. Choose what you are looking for:

Diffuser with 1 drum    | Diffuser with 2 drums
Diffuser with 3 drums | Diffuser with 4 drums

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Slot diffuser with 1 adjustable drum of 300 mm

Slot diffuser with 1 adjustable drum of 300 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 300 mm
£ 41,95 -20%
£ 33,56 £ 27,96 Excl. VAT
Product code: 37090000
Slot diffuser with 2 adjustable drums of 300 mm

Slot diffuser with 2 adjustable drums of 300 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 300 mm
£ 56,25 -20%
£ 45,00 £ 37,50 Excl. VAT
Product code: 37090014
Slot diffuser with 3 adjustable drums of 300 mm

Slot diffuser with 3 adjustable drums of 300 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 300 mm
£ 106,17 -20%
£ 84,94 £ 70,78 Excl. VAT
Product code: 37090028
Slot diffuser with 4 adjustable drums of 300 mm

Slot diffuser with 4 adjustable drums of 300 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 300 mm
£ 123,53 -20%
£ 98,82 £ 82,35 Excl. VAT
Product code: 37090042
Slot diffuser with 1 adjustable drum of 400 mm

Slot diffuser with 1 adjustable drum of 400 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 400 mm
£ 43,50 -20%
£ 34,80 £ 29,00 Excl. VAT
Product code: 37090001
Slot diffuser with 2 adjustable drums of 400 mm

Slot diffuser with 2 adjustable drums of 400 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 400 mm
£ 58,47 -20%
£ 46,77 £ 38,98 Excl. VAT
Product code: 37090015
Slot diffuser with 3 adjustable drums of 400 mm

Slot diffuser with 3 adjustable drums of 400 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 400 mm
£ 110,48 -20%
£ 88,39 £ 73,66 Excl. VAT
Product code: 37090029
Slot diffuser with 4 adjustable drums of 400 mm

Slot diffuser with 4 adjustable drums of 400 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 400 mm
£ 128,50 -20%
£ 102,81 £ 85,67 Excl. VAT
Product code: 37090043
Slot diffuser with 1 adjustable drum of 500 mm

Slot diffuser with 1 adjustable drum of 500 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 500 mm
£ 45,10 -20%
£ 36,08 £ 30,07 Excl. VAT
Product code: 37090002
Slot diffuser with 2 adjustable drums of 500 mm

Slot diffuser with 2 adjustable drums of 500 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 500 mm
£ 60,67 -20%
£ 48,54 £ 40,45 Excl. VAT
Product code: 37090016
Slot diffuser with 3 adjustable drums of 500 mm

Slot diffuser with 3 adjustable drums of 500 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 500 mm
£ 114,76 -20%
£ 91,81 £ 76,51 Excl. VAT
Product code: 37090030
Slot diffuser with 4 adjustable drums of 500 mm

Slot diffuser with 4 adjustable drums of 500 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 500 mm
£ 133,48 -20%
£ 106,79 £ 88,99 Excl. VAT
Product code: 37090044
Slot diffuser with 1 adjustable drum of 600 mm

Slot diffuser with 1 adjustable drum of 600 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 600 mm
£ 43,50 -20%
£ 34,80 £ 29,00 Excl. VAT
Product code: 37090003
Slot diffuser with 2 adjustable drums of 600 mm

Slot diffuser with 2 adjustable drums of 600 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 600 mm
£ 58,47 -20%
£ 46,77 £ 38,98 Excl. VAT
Product code: 37090017
Slot diffuser with 3 adjustable drums of 600 mm

Slot diffuser with 3 adjustable drums of 600 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 600 mm
£ 110,48 -20%
£ 88,39 £ 73,66 Excl. VAT
Product code: 37090031
Slot diffuser with 4 adjustable drums of 600 mm

Slot diffuser with 4 adjustable drums of 600 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 600 mm
£ 128,50 -20%
£ 102,81 £ 85,67 Excl. VAT
Product code: 37090045
Slot diffuser with 1 adjustable drum of 700 mm

Slot diffuser with 1 adjustable drum of 700 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 700 mm
£ 49,85 -20%
£ 39,88 £ 33,23 Excl. VAT
Product code: 37090004
Slot diffuser with 2 adjustable drums of 700 mm

Slot diffuser with 2 adjustable drums of 700 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 700 mm
£ 67,31 -20%
£ 53,85 £ 44,88 Excl. VAT
Product code: 37090018
Slot diffuser with 3 adjustable drums of 700 mm

Slot diffuser with 3 adjustable drums of 700 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 700 mm
£ 127,65 -20%
£ 102,11 £ 85,10 Excl. VAT
Product code: 37090032
Slot diffuser with 4 adjustable drums of 700 mm

Slot diffuser with 4 adjustable drums of 700 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 700 mm
£ 148,48 -20%
£ 118,79 £ 98,99 Excl. VAT
Product code: 37090046
Slot diffuser with 1 adjustable drum of 800 mm

Slot diffuser with 1 adjustable drum of 800 mm

14-19 working days
  • One slot
  • Individually adjustable
  • Length 800 mm
£ 56,17 -20%
£ 44,94 £ 37,44 Excl. VAT
Product code: 37090005
Slot diffuser with 2 adjustable drums of 800 mm

Slot diffuser with 2 adjustable drums of 800 mm

14-19 working days
  • Two slots
  • Individually adjustable
  • Length 800 mm
£ 76,12 -20%
£ 60,90 £ 50,75 Excl. VAT
Product code: 37090019
Slot diffuser with 3 adjustable drums of 800 mm

Slot diffuser with 3 adjustable drums of 800 mm

14-19 working days
  • Three slots
  • Individually adjustable
  • Length 800 mm
£ 144,85 -20%
£ 115,88 £ 96,56 Excl. VAT
Product code: 37090033
Slot diffuser with 4 adjustable drums of 800 mm

Slot diffuser with 4 adjustable drums of 800 mm

14-19 working days
  • Four slots
  • Individually adjustable
  • Length 800 mm
£ 168,48 -20%
£ 134,78 £ 112,32 Excl. VAT
Product code: 37090047
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Slot diffusers with adjustable drums

How many drums do I need?

The grilles with adjustable drums contain several air slots, up to a maximum of 4 per grille. But how many drums do you need? That depends on the air capacity of your ventilation system and the length of the grille. The higher the desired air capacity, the more drums you need. The number of drums also depends on the height of the LT350 Grada drum grille. So if you are looking for a specific size, you can also choose the grille height:

Height 50mm   | Height 83mm

Height 116mm | Height 149mm


Furthermore, the gratings with adjustable drums are available in 14 different widths, from 300 to 1600mm. So you will always find a grid that fits!


Adjustable drum grids in different mixed colours

At Ventilationland, the grilles with adjustable drums are available in different mixed colours. Namely in RAL 9010, RAL 9003, RAL 9005, RAL 7001 and RAL 9016. There is no extra charge for these colours! This means that the drum grille always fits in the room where you place it or in the interior. Are you still looking for line grilles with adjustable drums in a different colour? We will be happy to make you an offer.

without any obligation. Would you like more information about the various adjustable line grids or are you looking for a custom-made solution? Then take contact with us.

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Ordered on weekdays before 4.30 p.m., in the house tomorrow
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