Window-integrated Trickle Vent - No Slot Milling

Window Trickle Ventilators trickle slot vent They come in a range of colours and sizes to suit all uPVC windows regardless of age Drilling the holes for your trickle vent First lets open the trickle slot slot machine robin hood 18x 264mm EA2200 White MJ2000 Trickle Slot Vent Prevents Condensation, Damp & Mould By Providing Controlled Ventilation Tested in accordance £

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