C/S Storm Resistant Louvers, Model RS-4300:

 

Storm Resistant Louvers repel up to 100% of wind-driven rain. Available in both horizontal and vertical configurations.

 

Louver Model	CONFIG.	Louver Depth (MM)	Blade Spacing (MM)	Rain Defence	Free Area 4*4	Free Area 8*8	PD@900 FPM
RS-4300	Mullion	100mm	54mm	4	46.9%	50.1%	0.26%