Rainbow Metal Fan Upper Stage Assembly - D4/D4SE Motor ULTIMATE G Fits directly over the existing

Fits directly over the existing power head

Swapping in a fresh OEM pack brings back consistent

Swapping in a clean filter restores suction and keeps fine particles from passing back through the exhaust and into the room

Super QuarterVac and Super QuarterVac HEPA

shields the internals

Rainbow Metal Fan Upper Stage Assembly - D4/D4SE Motor ULTIMATE G Fits directly over the existingThis genuine OEM Rainbow metal fan upper stage assembly (Part #R2613) fits the D4 and D4SE motor. The upper stage is a precision fan section that generates airflow as the motor drives it, forming part of the multi stage suction path. A stage assembly that is damaged, chipped, or thrown out of balance produces reduced suction and excessive noise as it spins, and the imbalance adds strain to the motor shaft and bearings. Left unaddressed, that wear