The AEG QX9-1-ULT is the Ultimate edition of the QX9-1 series, the only variant where the hardware itself meaningfully differs from the baseline configuration. Its extended-capacity 21.6V lithium-ion battery raises the maximum runtime to 55 minutes, compared with 40 minutes across every other QX9-1 model. The ULT also ships with the full Animal accessory bundle including the mini motorised turbo brush for upholstery and pet bedding. Despite the extended runtime, the underlying motor platform, BrushRollClean LED nozzle, and dual washable filter architecture are identical to the rest of the range. Because the ULT’s greater runtime headroom means airflow restriction takes slightly longer to become perceptible as a runtime drop, it can mask an overdue filter longer than a standard-battery variant would. AEG specifies washing both filters monthly under cold water with a full 24-hour drying period and replacing both together every three months regardless of runtime performance.
This filter care kit contains Plus.Parts® components matched to the QX9-1 dual filter housing: 3 washable pre-motor filters, 3 washable post-motor filters, and 1 cleaning tool. Dimensions verified against the QX9-1-ULT’s dual-slot housing. Seven components, complete two-stage coverage, one order.
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At a glance
- Dual-Stage Coverage – Both pre-motor and post-motor filters included, refreshing the complete two-stage filtration path in one order.
- Ultimate-Edition Fit – Filter dimensions confirmed for the QX9-1-ULT, which uses the same dual filter housing as the full QX9-1 range despite its extended battery specification.
- Wash-Rated Media – Filter material rated for the QX9-1’s monthly cold-water wash and three-month replacement cadence.
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