Royal HEPA Filter - Royal RY4001 Back Pack

Part 2KE2110000 is the HEPA filter for the Royal RY4001 Back Pack Cleaning System. The same filter goes into the Hoover C2401 and C2401010 Shoulder Vac Pro backpacks, which share the RY4001 filtration stack.

This is the last stage before air leaves the machine, so it decides what the operator and everyone downwind of them breathes. In commercial work it loads faster than most people expect, and a filter that has gone grey and stiff is restricting airflow and costing you suction at the nozzle whatever the motor is doing.

Check it every few months and change it on a schedule rather than waiting for the machine to feel slow. Never run the backpack with the filter out; unfiltered debris reaching the motor is an expensive way to save a few minutes.