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Flettner Vents

Flettner have been making roof vents since the 1930’s. They are recognized as the leaders in environmental ventilation. Flettner ventilators are used by huge companies through to small businesses. They have a reputation for reliability and performance.
Made in Britain, Flettner vents are managed under a ISO 9001 quality control system to ensure that the van roof vent you receive is as good as it can be.

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  1. Lifetime Warranty
    Flettner Slimline Van Roof Vent - Low Profile
    SMALLER VANS / VANS WITH ROOF RACKS
    Flettner Slimline Van Roof Vent - Low Profile

    Suitable for smaller vans & vans with roof racks

    • IF YOU HAVE RIBBED ROOF - Can be fitted on roof rib or in valley (if fitting in valley, make sure rib height is less than 2mm)
    • Minimum surface required 66mm - Hole size 44mm
    • Full width 252mm - Interior base width 66mm - Height 58mm
    • Available in black or white
    More Info
    MPN: FLETTNER-SLIMLINE
    £79.99 As low as £74.99

    Dispatched same working day (if ordered by 3pm)

  2. Lifetime Warranty
    Flettner 2000 Van Roof Vent
    MID SIZED VANS
    Flettner 2000 Van Roof Vent

    Suitable for mid sized vans

    • IF YOU HAVE RIBBED ROOF - Can be fitted on roof rib or in valley (if fitting in valley, make sure rib height is less than 15mm)
    • Minimum surface required 145mm - Hole size 90mm
    • Full width 226mm - Interior base width 188mm - Height 102mm
    • Available in black or white
    More Info
    MPN: FLETTNER-2000
    £86.99 As low as £79.99

    Dispatched same working day (if ordered by 3pm)

  3. Lifetime Warranty
    Flettner TCX-2 Van Roof Vent
    MOST POWERFUL VENT
    Flettner TCX-2 Van Roof Vent

    Most powerful air vent in the range

    • IF YOU HAVE RIBBED ROOF - Best to fit in valley near a roof support and not on the rib. Can be fitted on top of rib is space is an issue (if fitting in valley, make sure rib height is less than 15mm)
    • NARROW = Minimum surface required 108mm - Hole size 76mm, STANDARD = Minimum surface required 145mm - Hole size 90mm
    • Full width 260mm - Interior base width 198mm - Height 117mm
    • Available in black or white
    More Info
    MPN: FLETTNER-TCX-2
    £92.99 As low as £89.99

    Dispatched same working day (if ordered by 3pm)

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Benefits of fitting a Flettner roof vent

Flettner vents are one of those products that once it’s fitted, you can forget abut it. They are built to do their job and are built to last. Fitting a Flettner vent reduces risk of condensation, gas and heat buildup damaging the cargo and making the van a more comfortable and safe environment for the user.

High performance van roof vents

  • Proven extraction rate
  • Low start-up speed
  • Quiet operation
  • Ventilation even when stationary

Environmentally Responsible

  • Wind powered - no electricity needed
  • Low drag
  • Optimal polymer content
  • Sustainable packaging

Simplicity

  • Simple hole profile
  • Flexible installation locations
  • Works with steel, composite and insulated / lined roof systems
  • Quick & easy to install with off the shelf tools
  • No electrical connections

Long-standing Quality

  • Tough and durable
  • UV stabilised polymer
  • Simple design / low part count
  • Quality components
  • Maintenance free
  • Manufactured in Great Britain

How Flettner ventilation technology works

Flettner vents use very simple, but highly effective technology. The ventilator rotor spins by using passing wind energy. This happens either whilst the vehicle is in motion or parked (as long as there is wind).
The spinning rotor has special extraction blades that suck are out of the cargo area of the van through an internal shutter. The internal shutter can be set manually to an open or closed position.