The Lomanco OW-4 Omni-Wall is an injection-molded, shingle over vent for shed roof or up to wall applications. It is molded in 4-foot sections and adjustable to roof pitches from 3/12 to 16/12.
Features:
- Internal aerodynamic curved baffles,
- Slot width guide lines
- External perpendicular omni baffles.
- Weatherproof underlapping joint.
- Four drain holes per foot.
- High grade, high impact UV resistant material.
- External venturi baffle.
- Alignment tabs.
- External water shield.
- Supported nail holes.
- Molded nail lines.
- Designed for maximum weather protection.
This is an exhaust vent and must be used in conjunction with adequate intake vents for proper operation.
The Lomanco OW-4 is sold in cartons of (10) sections, each 4 ft long. They sell for about $260 plus tax and shipping. I have a carton of 7 sections for sale.