Regel-air Fensterfalzlüfter FFL Typ 20 RF Set Basic wall penetrations

wall penetrations

Groove depth: 13 mm

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Exte Statikkonsole Expert XT RU 5691-165 165/220

Colour: Light grey lacquered

Regel-air Fensterfalzlüfter FFL Typ 20 RF Set Basic wall penetrationsRegel air window rebate ventilator FFL type 20 RF set The Regel air FFL ventilation system is a self regulating, plastic window rebate ventilator designed for installation in pairs. It features automatic airflow limitation. The Regel air FFL window rebate ventilator is concealed within the upper, un rigged area of the window. When the window is closed, the ventilation system is invisible from both the inside and outside. As wind pressure increases,