Renson Window Vents - German System Windows

Renson Window Vents - German System Windows window slot vent vents will perform and provide optimum airflow to your home This plastic slot ventilator fits over a 16mm slot in a window and provides an Equivalent Area window slot vent Window Trickle Slot Vent 407mm White for uPVC Double Glazing & Timber Windows Reduces Condensation, Damp & Steam in Windows Fully Adjustable

window slot vent Slot size: 390mm x 16mm EA

dragon slot 168 Slot size: 390mm x 16mm EA How to retrofit or install a window vent, trickle vent to a upvc window to help with condensation Trickle slot vent Air-Box Europe•21K