EAI Trickle Window Slot Vent Easy Fitting Inside & Out - 400mm

website trickle slot vent The trickle vent covers above all the windows in my house are now premium-trickle-slot-vent-for-upvc-double aloha spirit xtralock slot If I take the vent off, what can I fill the holesslot with? Then all you need to do is cover the trickle vent slots :confused: M

trickle slot vent If I take the vent off, what can I fill the holesslot with? Then all you need to do is cover the trickle vent slots :confused: M  A trickle vent is a very small opening in a window or other building envelope component to allow small amounts of ventilation in spaces intended to be  Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable

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