Description

Features:

• Less restriction in airstream
• Aerodynamic leading edges
• High effective free area
• Plastic gives higher r value
• Same colors throughout
• Damper adjusts through face with flat blade screw driver
• Easy tear off tab to increase collar size
• Integral ceiling clamps facilitate installation and eliminate gaps
• Screw heads are zinc plated and powder coated for max durability
• Damper mechanism incorporates anti-strip feature
• High compact polymer