Trickle Vent Set Inside & Out - 400mm - 3180mm²EA - Black

Sound absorbing window vents - Window ventilation - window slot vent Trickle vents are background ventilators integrated into window frames and door frames to allow a 'trickle-feed' of constant airflow from the outside to an window slot vent Designed and developed in the UK, Yale's SlotVent provides an effective through frame background ventilation solution, allowing fresh air in and stale air out

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