All-welded 304 stainless steel construction with polished finish. Adapts to 3" or 4" ventilation systems. Predrilled with six mounting holes to accommodate #8 screws. Dimensions: 11-5/16" L x 4-3/8" H...

A clean contemporary louver designed vent. Corrosion-resistant ABS plastic. Install with #8 screws. For use with collector boxes 13411 for 3" system or 13421 for 4" system. Sized for installation even...

A clean contemporary louver designed vent. Corrosion-resistant ABS plastic. Install with #8 screws. For use with collector boxes 13411 for 3" system or 13421 for 4" system. Sized for installation even...

Constructed of paintable corrosion-resistant ABS plastic with no sharp edges. For 3" I.D. ventilation system use with 13451 collector box. Installs with #8 fasteners. Dimensions: 17-7/8" L x 3-7/16" H...

Constructed of paintable corrosion-resistant ABS plastic with no sharp edges. For 3" I.D. ventilation system use with 13451 collector box. Installs with #8 fasteners. Dimensions: 17-7/8" L x 3-7/16" H...

Patented in-line-design – provides ventilation for engine compartments galleys bilges and heads. Mounting feet allow horizontal or vertical installation in confined spaces

The new and improved Turbo 4000 Series II is quieter and has a re-engineered housing that resists deformation during installation and prevents blade to housing interference. Utilizing advanced blade d...

Designed with louvers to eliminate see-thru look and deflect rain. Designed with a flange molded into part so raw edges of cut are hidden and protected.

Designed with louvers to eliminate see-thru look and deflect rain. Designed with a flange molded into part so raw edges of cut are hidden and protected.

Can be turned and pivoted in all directions and locked in position. For air circulation in cabin or defogging bridge windows in bad weather. Low-noise operation. Black impact-resistant plastic housing...

Die cast zamak with chrome finish. Black polypropylene flange. Pre-drilled for three screws.

Round stamped stainless steel vent allows ventilation to confined areas. Will cover holes up to 2-1/2".

Housing is molded tough corrosion-proof ABS plastic. Rugged built-in mounting brackets for easy installation. Molded tabs on all hose flanges provide positive hose connections. Ignition protected. Spa...

Housing is molded tough corrosion-proof ABS plastic. Rugged built-in mounting brackets for easy installation. Molded tabs on all hose flanges provide positive hose connections. Ignition protected. Spa...

Plastic base with toggle switch control. 90° oscillating motion. Rust proof white vinyl coated fan guard. Dimensions: 9-1/2" overall height 6-1/2" depth (front to back) 7" dia. fan guard 6" fan blade ...