Eureka HF-2 HEPA Filter for Ultra Smart 4700 / 4800 Uprights Brio the electronic unit is the

the electronic unit is the usual culprit

It carries the brush roll and forms the finished top of the nozzle

the HEPA media filter traps fine dust and allergens rather than recirculating them

A cracked duct can also let debris escape the airflow path and collect inside the housing

Eureka HF-2 HEPA Filter for Ultra Smart 4700 / 4800 Uprights Brio the electronic unit is theThis Clean Obsessed HF 2 HEPA filter (Part #CF442) is a replacement filter for Eureka Ultra Smart upright vacuums in the 4700 and 4800 series. The pleated HEPA media captures fine dust, pollen, and allergens, keeping the exhaust clean and the vacuum's suction strong. As the HF 2 fills with the finest particulate these uprights pull in, airflow weakens and exhaust quality drops. Installing a fresh filter is the simplest way to bring an Ultra Smart 4700