28.5x29.5x4 20% Air Filter

4x28.5x29.5 30% Filter

2x28.5x29.5 20% Filter

4x28.5x29.5 60-65% Filter

1.25x1.25x5/16-18 Isolator

Blower Assembly

Blower Housing & Wheel

19.25x1 Shaft

Motor Mounting Base