Trickle Vents - Flush Fit Ventilation for Timber Windows

A trickle vent is a small opening in a window that allows for minor ventilation in spaces designed to be naturally ventilated when major elements like windows are closed. The Astro Trickle Vent is a designed flush-fitting 300mm or 430mm Trickle-Vent with vent adjustment for simple condensation control. The Astro Trickle Vents has a discreet lowprofile vent that fits all timber sash and casement windows. Low cost installation requiring only three hidden screws (screws not included).

The 300mm length Astro Trickle Vent are available in White or Brown colours and has the following airflow calculation:

• The calculated mean equivalent area at 1 Pa is 1578.3 mm2
• The calculated minimum equivalent area at 1 Pa is 1539.9 mm2

The 430mm length Astro Trickle Vent are available in White, Brown or Anthracite Grey colours and has the following airflow calculation:

• The calculated mean equivalent area at 1 Pa is 2414.6 mm2
• The calculated minimum equivalent area at 1 Pa is 2337.1 mm2

Product Availability

• Available in White, Brown and Anthracite Grey
• 300mm long x 20mm wide x 10mm deep.
• 430mm long x 20mm wide x 10mm deep.​