The unique, compact, thermally broken, revolving glazed-in vent with a wide variety of cleaning possibilities.
It has a continuous adjustable sealing cylinder and an Airclip which can be easily detached for a simple cleaning. In case of a complete maintenance cleaning, the revolving cylinder can also be removed, without having to detach the grid from the window or the glass. The airclip also serves as an insect gauze.

Performance	Junior 150 Classic	Junior 150 Design
Airflow at 1 Pa in dm3/s.m (cfr NEN 1087)	14	12,9
Airflow at 2 Pa in m3/h.m (cfr NEN 1087)	14	12,9
Equivalent area in mm2/m	17780	16383
Free Air performance in mm2	17000
Sound absorption Dne,A in dB(A)	26
Air sound insulation Rq,A in dB(A)	-2,5
Heat conduction coefficient	U=2,7 W/m2.K, temperature factor (f)=0,8
Windproof	Up to 650 Pa (up to 150m)
Watertightness	Up to 450 Pa
Rigidity and strength	Highest class
Dimensions	Upper glazing	Transom glazing
Glass reduction	79 mm	/
Built-in height	94 mm	94 mm
Glazing thickness	12 / 22 / 26 / 28 / 30 / 32 mm	/
Rebate size	50 mm	20 mm
Finishes
Control	Lever, cord or rod
Endcaps	Black, white and grey
Finishes	F1 silver anodised All RAL colours (also twincolour)