Allvent 250MM Start Collar

The Allvent ALV329 is a 250mm start collar designed to create a secure connection point between round ducting and a flat surface such as a wall, ceiling, ventilation panel or plenum box. Its square plate and circular collar design make it suitable for larger residential, commercial and light industrial ventilation systems, including workshop extraction, subfloor ventilation, plant rooms, kitchen exhaust and general air transfer applications. Available in metal or plastic, it provides a neat and practical way to begin or connect a 250mm duct run.

  • 250mm start collar
  • Designed for ducting and ventilation installations
  • Creates a connection point between ducting and a flat surface
  • Suitable for walls, ceilings, panels and plenum boxes
  • Suitable for residential, commercial and light industrial applications
  • Available in metal or plastic
  • Duct size 250mm
  • Plate size 295 x 295mm

Click here for Data Sheet

SKU ALV329
Brand Allvent

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