Buy Replacement uPVC Trickle Vents - UK

The SM 1000 Trickle Vent is a slim, unobtrusive trickle vent Complete with a thermal foam seal, a 10mm slot size and sleek rounded external hood it is the

Window trickle vents are perfect for maintaining natural ventilation Our range of trickle vents provide a small opening in window frames and doors

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flash floods in slot canyons trickle vent FAQs At Norrsken, we understand the Trickle vents are small slots fitted either to the head of the window frame (known as 'slot