Builder's Best PWM622 4" Plastic Exhaust Vent Hood with Snap-In 1/2" Grid, White

The Builder’s Best PWM622 4-Inch Plastic Wide Mouth Hood is a durable vent outlet designed for safe and efficient air exhaust in dryer and general ventilation systems. Its wide mouth design improves airflow, while the removable grill and aluminum trim plate provide a clean, secure installation.

Constructed from polypropylene molded plastic, this hood is built to handle outdoor conditions and maintain long-term performance. The smooth, wide mouth opening exceeds the duct diameter to reduce air resistance and promote unrestricted discharge, making it ideal for both residential and light commercial ventilation.

The snap-in 1/2-inch grill can be removed easily for cleaning or maintenance. When used for bathroom fans or general exhaust, the grill prevents debris and pests from entering the duct. For dryer use, it should be removed to allow full airflow and prevent lint buildup. A free-swinging back draft flapper opens automatically during operation and closes when not in use to block outside air and debris.

It includes 4 mounting holes for secure wall attachment and an aluminum trim plate with 11-inch tails for a neat, weather-resistant seal. Designed for simple installation and dependable operation, the Builder’s Best PWM622 4-Inch Plastic Wide Mouth Hood meets the airflow needs of dryers, bathroom fans, and general exhaust systems. Users should check local building codes and periodically inspect the grill or duct for blockages to maintain optimal performance.

• 4-inch wide mouth hood designed for dryer or general exhaust venting, allowing smooth and efficient airflow through the wall
• Includes a snap-in 1/2-inch grill that is removable for cleaning; the grill must be removed when used for dryer venting
• Features a free-swinging back draft flapper that opens for exhaust airflow and closes to prevent outside air or debris from entering
• Durable polypropylene plastic for strength, weather resistance, and long-lasting performance
• Equipped with 4 mounting holes for secure installation and a leak-resistant connection to the exterior wall
• Comes with an aluminum trim plate featuring 11-inch tails for a clean, professional finish around the vent outlet
• Material: Plastic
• Color: White
• Dimensions (L x W x H): 15.75 x 5.75 x 5.75 inches
• Weight: 0.54 pounds
• Manufacturer warranty: 30-day warranty