SF-HY 60 Hygiene Filter Boost Canister 300 series It is the bumper base

It is the bumper base that protects the lower edge of the dust bag housing from impacts

Fits: Koblenz P820

positive power transfer to the brush

so air bypasses where it should seal and overall suction suffers

SF-HY 60 Hygiene Filter Boost Canister 300 series It is the bumper baseThe genuine Miele SF HY 60 Hygiene Filter is the sealed exhaust filter built for the Blizzard CX1 Boost canister. It forms the final filtration stage, trapping fine dust and allergens before the air returns to the room. A hygiene exhaust filter loads over time with the particles it holds, and once it clogs the airflow narrows, suction slips, and odors can begin to pass through. Installing a fresh SF HY 60 restores full airflow and clean, filtered