Regel-air Fensterfalzlüfter FFL Typ 20 RF Set Basic used with the aluminum locking

used with the aluminum locking spring WA 70 or anti-lift device WB

Colour: Light grey lacquered

Dimensions see drawing: A - 206mm

wall penetrations

5-piece shaft connector

Regel-air Fensterfalzlüfter FFL Typ 20 RF Set Basic used with the aluminum lockingRegel 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,