K604
Airolite louver type K604 is a stationary louver that protects air intake and exhaust openings in exterior walls. The design incorporates non-drainable blades, sloped sill and hidden vertical mullions when configured as multiple sections wide.
Specifications
| General | |
| Beginning Point of Water Penetration | 691 fpm (3.510 m/s) |
| Pressure Drop at Beginning Point of Water Penetration | 0.090 in. wg (0.022 kPa) |
| Test Standard | AMCA Standard 500-L Water and Air Performance |
| Blade Angle | 37º & 45º |
| Percent Free Area | 53% (4 ft. x 4 ft.) |
| Louver Depth | 4” (101.6 mm) |
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