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Wall exhaust traps

Specifications and characteristics


Low maintenance: No electricity and completely silent.


Energy saving: Triple sealing ring and insulated damper 


Construction: Made of galvanized steel


Backdraft proof: Built-in anti gust deflector.


Rodent Proof: Removable rodent screen keeps rodents out and allows for easy cleaning


Interchangeable: Removable damper converts from an exhaust vent to an air intake vent in minutes


Finish: Bake polyester powder coating,  interior and exterior with UV protection.


Available in 3, 4, 5, 6″ diameter as well as 3″ 1/4 x 10″rectangular collar.

Patent: Canada & USA

Wall exhaust traps

Recognized by ventilation professionals across Canada, the VMAX AF exhaust trap is unique to the market. Designed as an exhaust for bathroom fans, dryer and kitchen range hoods, it can also be used as a termination point for a HVAC system.  Its versatile design also allows it to be easily converted from an exhaust vent to an air intake vent thanks to its removable damper.

Available Colours

Vignette blanc 1 - Ventilation Maximum

Maximum White

Vignette noir - Ventilation Maximum


For more colours available, consult our charter

To know the prices and availability, find a distributor
Patent: Canada & USA

​Our models

Modèle VMAX AF3 BL - Ventilation Maximum


3 in. diameter wall mount exhaust vent with 9 in. tailpipe.

Modèle VMAX AF4 BL - Ventilation Maximum


4 in. diameter wall mount exhaust vent with 9 in. tailpipe.

Modèle VMAX AF4C BL - Ventilation Maximum


4 in. diameter wall mount exhaust vent with 3 in. tailpipe.

Modèle VMAX AF5 BL - Ventilation Maximum


5 in. diameter wall mount exhaust vent with 9 in. tailpipe.

Modèle VMAX AF6 BL - Ventilation Maximum


6 in. diameter wall mount exhaust vent with 9 in. tailpipe.

Modèle VMAX AF10 BL - Ventilation Maximum

Model VMAX-AF10-BL

3 ¼ in. X 10 in. rectangular wall mount exhaust vent with 9 in. tailpipe.

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Are you looking for detailed specifications of exhaust fans and flaps for architects and construction professionals?

The Maximum wall exhaust traps

Washroom, Dryer, HVAC and Hood Range.
Design : Engineered to protect the damper from direct contact of extreme weather.
Energy Savings : Unique air tight triple seal gasket.
Net Air Flow : Unique and specifically designed and engineered to permit for the exact net free air flow for both intake and exhaust, thus, eliminating back flow pressure.
Silent : Fine tune precision. The damper mechanism combined with the insulated damper, reduces noise level to a whisper.
Backdraft Proof : Unique anti gust deflector incorporated within the structural envelope.
Tail Pipe : A built-in 9 in. tail pipe (no need of extensions) eliminates moisture loss within the wall cavity and reduces lint build up at the joints.
Rodent Proof : Removable galvanized screen grill, combined with the metal structure, discourages nesting and all other destructible abuses.
Interchangeable : Two products in one, these wall vents can be transformed from an exhaust to an air intake vent within minutes.
Maintenance : Removable grill & damper allows cleaning of ducts all from outdoors.
Finish : Highest quality powder coated paint finish with UV protection.
Available Colour : White (other colours available at a slight premium).
Dimensions : 3 , 4, 5, 6, & 3 ¼ x 10 in.
WARNING : Clogged Dryer Ducts are one of the leading causes of residential fires. Periodic checks and or professional cleaning are highly recommended.

The Maximum wall exhaust traps