Johnny Vac Hydrogen HEPA Filter - Replacement Exhaust Filter SL4110 The upper duct forms part

The upper duct forms part of the sealed passage that moves air and debris through the vacuum body

Over years of use the bumper hardens

a full assembly is the cleanest fix

Replace them when they show visible wear

Johnny Vac Hydrogen HEPA Filter - Replacement Exhaust Filter SL4110 The upper duct forms partThis Johnny Vac HEPA filter (Part #FIHY10) is the replacement high efficiency filtration element for the Johnny Vac Hydrogen canister vacuum. HEPA media traps the finest dust, pollen, mold spores, and pet dander, ensuring the air pushed back into your home is filtered to a high standard rather than recirculating allergens. Designed to seat precisely in the Hydrogen's filter housing, it maintains a tight seal so all airflow passes through the media