Trickle Slot Vent for uPVC Double Glazing Window - UK-Plastics

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It's a trickle vent If you leave it open, it allows a bit of ventilation even when the main window is closed

Find Window Ventilation for your Project with Ironmongery Direct Get Surface, Trickle and Upvc Window Vents and More Return your Order to Us for Free  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

chelsea888 slot online When placed in the top of a casement frame, a trickle vent will serve that purpose; providing a small opening that allows air to filter through the closed Trickle vents are used extensively in the UK and Europe integrated into window frames to provide minimum ventilation requirements for naturally ventilated