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Air Filter Replacement Subscription
Scheduled deliveries with 10% off + free shipping!
Tired of forgetting to buy air filters?
Save time, energy and money with Alen Autoship program.
Get your filter replacements delivered to your door when it's the right time to change them, with 10% off + FREE shipping!
You can also customize the subscription after your purchase. Change the delivery frequency, skip a delivery or cancel anytime.




10% OFF GUARANTEED

FREE SHIPPING

CANCEL ANYTIME
Popular Filter Subscriptions
Never forget to replace your air filters again
We recommend a filter change after 6 months, but you can also schedule your deliveries every 9, 10 or 12 months.
No more 'buy air filter' on your to-do list!



Subscribe while buying Air Filters

All filter-only purchases will receive the 10% discount straight away, and on all future Autoship deliveries
Subscribe while buying Air Purifier

The 10% discount will be applied to your air filters on the first scheduled Autoship delivery, and not on the Air Purifier purchase
Unsure about what filter is right choice for your unit?
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Do I have a BreatheSmart 75i?
01
Check the top of your control panel.
02
The BreatheSmart 75i logo will be located underneath the On/Off button, as shown in the picture you should see the words "BreatheSmart 75i".
03
If you see any other option on your control panel, you do not have the BreatheSmart 75i.
What filter replacement do I need for my BreatheSmart 75i?
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Do I have a BreatheSmart 45i?
01
Check the top of your control panel.
02
The BreatheSmart 45i logo will be located underneath the On/Off button, as shown in the picture you should see the words "BreatheSmart 45i".
03
If you see any other option on your control panel, you do not have the BreatheSmart 45i.
What filter replacement do I need for my BreatheSmart 45i?
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Do I have a BreatheSmart FLEX?
01
Check the top of your control panel.
02
The BreatheSmart FLEX logo will be located underneath the On/Off button, as shown in the picture you should see the words "BreatheSmart FLEX".
03
If you see any other option on your control panel, you do not have the BreatheSmart FLEX.
What filter replacement do I need for my BreatheSmart FLEX?
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Do I have a BreatheSmart Classic?
01
Check the top of your control panel.
02
The BreatheSmart Classic logo will be located underneath the On/Off button, as shown in the picture you should see the words "BreatheSmart".
03
If you see any other option on your control panel, you do not have the BreatheSmart Classic.
What filter replacement do I need for my BreatheSmart Classic?
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Do I have a BreatheSmart FIT50?
01
Check the top of your control panel.
02
The BreatheSmart FIT50 logo will be located underneath the On/Off button, as shown in the picture you should see the words "BreatheSmart FIT50".
03
If you see any other option on your control panel, you do not have the BreatheSmart FIT50.
What filter replacement do I need for my BreatheSmart FIT50?
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Do I have a T500 model?
01
The T500 unit is black with a black top, or white with a silver top.
02
500 is 22 inches tall (taller than T100, shorter than T300).
03
Your T500 might have designer panels on both sides.
What filter replacement do I need for my BreatheSmart T500?
A lifetime of pure air made simple
Replacing your air filters on time can lead to better air quality, a lower monthly energy bill and will help extend the life of your Alen Air Purifier.
With Alen Autoship program you can easily create a healthier indoor environment.
Terms and conditions apply.
AutoShip service provides 10% off list price on most Alen Air Filters in all future recurring AutoShip orders when you sign up for AutoShip on Alen.com. Receive the discount right away on filter-only purchases, or look forward to it on your next scheduled air filter when you choose the Autoship option on your air purifier purchase. To redeem order savings, customers must set up an AutoShip order by checking 'AutoShip’ with your purchase on the products page or in your cart. Free standard shipping to U.S. addresses only on all orders. We reserve the right to change the offer of your subscription at any time. All list prices are subject to fluctuation and/or change without prior notice. Offers cannot be used in conjunction with any other discounts, offers, privileges, promotions, vouchers, promotional coupons, items on sale, loyalty programmes, or in-house offers unless otherwise stated.