The Narwal Freo Z Ultra is a combined vacuum-and-mop robot from Narwal’s Freo Z series, distinguished by a round chassis design and an automated station that manages mop washing and drying between cleaning sessions. The Freo Z Ultra is positioned toward the premium end of Narwal’s lineup, offering high suction performance alongside the hands-free mop maintenance that defines the Freo platform. As a robot designed for frequent daily operation, the dust bin filter on the Freo Z Ultra accumulates fine particles at a pace that reflects both the robot’s run frequency and the type of floor debris it encounters. The filter sits in the airflow path between the collection bin and the motor, and a loaded filter progressively restricts airflow until suction at the floor drops below the robot’s designed output. Replacing the filter before that threshold keeps the Freo Z Ultra performing as intended.
This replacement set provides Plus.Parts® washable dust bin filters shaped to the Narwal Freo Z Ultra housing specification. Five filters are included, each sized to seat in the original dust bin frame without gaps. Each filter is hand-washable, rinse under running water, dry completely before reinstalling, and each supports multiple reuse cycles. The five-pack format is appropriate for a robot built for regular use: while one filter dries after cleaning, another is ready to install without interrupting the cleaning schedule. Filters off-size for the Freo Z Ultra housing allow bypass paths where airflow skips the filter media entirely; these are dimensioned to the original frame specification to ensure full media contact on installation.
Our team is available for Narwal Freo Z Ultra compatibility questions and handles post-order concerns directly.
The highlights
- Freo Z Ultra Fit – Each filter matches the Narwal Freo Z Ultra dust bin housing dimensions for a gap-free, full-media installation.
- Rinse and Reuse – Hand-washable media supports multiple service cycles; dry fully before reinstalling.
- Five-Pack Rotation – Enough filters to maintain an uninterrupted cleaning schedule on a robot built for daily use.






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