RW Simon Trickle Slot Vent for uPVC Windows

window slot vent
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Trickle Vents: An Essential Guide Window trickle vents, also known as trickle ventilators, are small openings in windows that allow a restricted flow of air

Draak white trickle vent 263mm for UPVC windows Quality window ventilation to prevent condensation & mould, ready for collection in 2 hours or next-day

window poker Slot size: 390mm x 16mm EA

window slot vents will perform and provide optimum airflow to your home This plastic slot ventilator fits over a 16mm slot in a window and provides an Equivalent Area