Luxair Square Charcoal Filter — Number 9
If your Luxair cooker hood runs in recirculation mode — meaning it filters and returns air to the kitchen rather than venting outside — this is the charcoal filter that keeps it working effectively. The Square Charcoal Filter Number 9 is a long-life filter using high-quality granular activated carbon to achieve 85–90% odour reduction, designed to fit perfectly and perform from the moment it's installed.
Compatible hoods include:
- Arezzo Island Hood
- Arezzo Wall Hood
- Lusso Professional Wall Hood
This filter may also fit cooker hoods from other manufacturers where the physical dimensions match — however compatibility cannot be guaranteed. Please check the precise measurements against your existing filter before ordering.
If you're unsure whether this is the correct filter for your hood, check your hood's manual or scroll to the compatible hoods listed in the related products below — or contact our UK-based support team and we'll confirm for you.
Why charcoal filters matter
When your hood is set to recirculate, the air drawn up from your hob passes through the metal grease filters first — then through the charcoal filter before being returned to the kitchen. The charcoal filter is doing the job of absorbing cooking odours: garlic, fish, spices, frying — everything that would otherwise linger in your kitchen air. A fresh filter absorbs effectively. A saturated filter stops working and those odours start coming back through. Replacing the filter on schedule is the single most important thing you can do to keep a recirculating hood performing as it should.
When to replace
Replace every 3–4 months or every 50 hours of use — whichever comes first. If you cook frequently or with strong-smelling ingredients, replacing closer to the 3-month mark will keep performance at its best. Signs that your filter needs replacing sooner include cooking odours returning to the kitchen during or after use, a noticeable reduction in how well the hood clears the air, or a musty smell when the hood is running.
Subscribe and never run out
The easiest way to stay on top of filter changes is to subscribe. You'll receive a full year's supply delivered automatically, timed to arrive before you need them — no remembering to reorder, no running out mid-cook. Subscribing saves you money compared to buying individually, and you can skip, pause, or cancel at any time with no lock-in. Full subscription details and savings are shown at checkout.
How to replace the filter
Replacing a Square Number 9 charcoal filter is a straightforward process. A step-by-step video guide is available on this page — watch it before your first change for a clear visual walkthrough. As a general guide: switch the hood off, remove the metal grease filters, locate the charcoal filter housing, slide out the old filter, slide the new one in, and refit the grease filters. The whole process takes under five minutes.
Frequently asked questions
How do I know if my hood uses recirculation mode?
If your cooker hood vents air through a duct to an outside wall or roof, it's ducted and does not use charcoal filters. If it has no external duct and returns filtered air back into the kitchen, it's recirculating and requires charcoal filters. Some hoods support both modes — check your manual or look for a charcoal filter housing inside the hood behind the grease filters.
Is this a genuine Luxair filter?
Yes. This is a genuine Luxair replacement charcoal filter, manufactured to fit and perform correctly in compatible Luxair hoods. Third-party filters may not fit correctly or provide equivalent filtration performance.
Will this filter fit my non-Luxair cooker hood?
This filter may fit cooker hoods from other manufacturers where the physical dimensions match. Compatibility cannot be guaranteed — check the precise measurements against your existing filter before ordering, or contact our support team for guidance.
Can I wash and reuse a charcoal filter?
No. Charcoal filters cannot be washed or reused — the active carbon that absorbs odours is spent once saturated and cannot be regenerated by washing. They must be replaced on schedule for effective filtration.
What happens if I don't replace the filter?
A saturated charcoal filter stops absorbing odours and can begin to restrict airflow through the hood, reducing extraction performance. Cooking smells will return to the kitchen and the motor may have to work harder, potentially shortening its lifespan. Regular replacement is the simplest and cheapest way to protect your hood's performance long term.
How many filters do I need per year?
Replacing every 3–4 months requires 3–4 filters per year — the 1 year supply of 4 filters provides exactly what you need for the full year at a saving versus buying individually.
Does the subscription auto-renew?
Yes — the annual subscription renews automatically each year. You can skip, pause, or cancel at any time through your account. Full details are in our subscription policy.
Not sure if this is the right filter for your hood? Browse our full range of replacement charcoal filters or contact our UK-based support team and we'll confirm the correct filter for your specific model.
