With side-hinged mesh guard

For frame	Free ventilation cross-section	Number of casements	Item number
Width x Height	Free ventilation cross-section
[mm]	[m²]
800 x 600	0.073	Single casement	38911
1000 x 500	0.064	Double casement	38067
1000 x 625	0.096	Double casement	38068
1000 x 750	0.128	Double casement	38069
1000 x 1000	0.192	Double casement	38070

For frame	Free ventilation cross-section	Number of casements	Item number
Width x Height	Free ventilation cross-section	Number of casements	Item number
800 mm x 600 mm	0.073 m²	Single casement	38911
1000 mm x 500 mm	0.064 m²	Double casement	38067
1000 mm x 625 mm	0.096 m²	Double casement	38068
1000 mm x 750 mm	0.128 m²	Double casement	38069
1000 mm x 1000 mm	0.192 m²	Double casement	38070