Premium Trickle Slot Vent for uPVC, Aluminium & Wooden Window

Through Frame Trickle Ventilators Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation TTF slimline ventilator

Window-integrated trickle vent We present Insolio: an innovative trickle vent installed between the top frame part and the head No slot milling No

slot depo pakai pulsa Trimvent Select Xtra S13

slot board The film infers that it is not necessary to cut a continuous slot and that it is ok to just drill a series