Heavy Duty Fan Guard For Rigidity and Safety
Motor Mount Brackets With Rubber Bushings Reduces Noise & Vibration
Support Brackets Keep Damper Off Drywall
Motor Mount Brackets Do Not Include Rubber Bushings
Damper Box Sits On Drywall, No Support Brackets
*Both QA-Deluxe and the Competition use a Permanent Split Capacitor Motor
QA-Deluxe 4800 uses an ECM (Electronically Commutated Motor)