Copper Nickel Plated Syphon 8 mm (WATTS - 407D14)

Model ESJ-202 is an extruded aluminum stationary non-drainable louver that protects air intake and exhaust openings in exterior walls. The design incorporates J-style blade sloped sill and hidden vertical mullions when configured as multiple sections wide.

2-inch depth

38% free area (4 ft. x 4 ft.)

668 fpm free area velocity at the beginning point of water penetration