Attwood Catalog 2025

VENTILATION

Cowl Vents

Clam Shell Vents

In-Line Blowers

Vents & Collector Boxes

38

39

40

42

Attwood in-line blowers provide ventilation for engine compartments, galleys, and bilges. Utilizing advanced fan blade design techniques, Attwood has developed a blower system that matches air flow of existing in-line blowers at a significantly reduced noise level.

All collector boxes and vents are designed for intake or exhaust and meet ABYC H-2 requirements.

Cowl Vents are available in both low profile and standard height contours. These vents are a perfect air intake supplement to solar ventilation, and are also commonly used as a bilge ventilating system with or without a mechanical blower.

Clam shell vents are ideal for ventilation needs where a taller vent would foul lines or restrict crew movement. These vents work well as stern mounted ventilators for engine compartments.

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