The Only Filter Care Guide You Need
How to replace your filter, when to change it, and how to reorder in seconds.
Ductair makes filter changes easy
Every step is simple, swapping your filter takes just a few minutes, with no tools and no tradies.
Step-by-Step Guide
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Find the Knob
Locate the small knob on your Ductair return air intake grille.
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Open The Cover
Loosen the knob and hinge the cover open, then slide the old filter out.
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Slide in the new filter
Slide your new DNA filter into place, red sticker facing out.
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Close the cover
Swing the cover shut and tighten the knob. Done!
Reordering is just as easy
Match the number on your red sticker and your next filter fits perfectly, first time.
Step-by-Step Guide
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Find Sticker on Existing Filter
There will be a number on the sticker
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Select Your Number
The filter sticker number is the size & select your quantity
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Never Forget Again
Subscribe and your filter arrives every 3, 6 or 12 months
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Done!
Check out, and your replacement filter arrives at your door
Every home needs a filter that keeps your family breathing easy
Free delivery in Adelaide metro
Genuine Ductair filter
Mon-Fri support
40+ years in SA
Subscription Cancel Anytime
Replace your filter at the right time
| Scroll left to right | 3 Months | 6 Months | 12 Months |
|---|---|---|---|
| Usage Level |
High Usage
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Moderate Usage
|
Low Usage
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| Who This Applies To |
Homes with pets, smokers, near roads/construction, heavy daily usage (8-12 hrs/day)
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Typical households, moderate usage (4-8 hrs/day), clean indoor environment
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Light usage (4 hrs/day or less), minimal dust, no pets, cleaner environments
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| Signs You Should Replace Sooner |
Visible dust buildup, reduced airflow, musty smell, increased allergies
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Slight airflow reduction, light dust accumulation
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Filter looks grey, stale indoor air after long use
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| Risk If Delayed |
Poor air quality, system strain, higher energy cost
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Reduced efficiency, gradual air quality decline
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Dust circulation, unnoticed pollutant buildup
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Get Your Ductair Filter Today
Four easy steps to your replacement filter. Subscribe and it arrives automatically, so you never have to remember.
FAQ
You asked, we answered!
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Every 3 to 12 months, depending on usage. Every 3 months for high-usage homes (pets, smokers, near main roads or construction, AC running 8-12 hours a day). Every 6 months for typical households (4-8 hours a day). Every 12 months for light use in a clean, low-dust environment. See the full breakdown in our Filter Care Guide.
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Every Ductair filter has a round red sticker with a number on it. Find the number on your existing filter, select it on the product page, choose your quantity, and check out. Your replacement will fit perfectly, first time.
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Yes! Our filters are made for quick, simple DIY installation. No tools or tradies needed - most customers replace theirs in just a few minutes.
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No. They're designed to be replaced for consistent performance and hygiene. Washable filters trap dirt and bacteria, while ours ensure fresh, healthy airflow every time.
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Yes. You can subscribe for automatic deliveries every 3, 6 or 12 months at 10% off, so your replacement arrives without you having to remember. Pause, skip or cancel anytime.
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Adelaide metro and surrounding areas: typically 2-3 business days from order confirmation. Orders to other states take longer. See our shipping policy here for current rates and delivery areas.
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Yes. You have full control over your subscription in your account - pause, skip or cancel anytime, with no lock-in. Click the login icon at the top right to manage it.
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No stress - reach out to our support team. We'll sort a replacement quickly so you're never without clean air.
Call: 1800 DUCTAIR (1800 382 824)
Email: sales@ductair.com.au