Alen

BreatheSmart 45i

Name: Alen BreatheSmart 45i
Brand: Alen
SKU: BreatheSmart 45i
Price: 449 USD
Availability: InStock

Model BreatheSmart 45i

Verified compatibilityIn stock at last check

Image from alen.com

Alen BreatheSmart 45i with an official manufacturer replacement-filter match.

Product type: Air Purifier

Manufacturer product page

Check that the model number on your unit's rating label matches exactly, including hyphens and suffix letters. Similar models often take different filters.

Verified replacement filters

Alen

45i/FLEX Essential Filter

B4-Pure

True HEPA, Activated Carbon, Pre-Filter

Verified compatibilityExact Fit

Filter details and sellers

Where to buy the compatible filters

B4-Pure

Alen
Alen 45i/FLEX Essential Filter
$69.00
In stock at last check
Checked August 22, 2026
Buy at Alen(opens in a new tab)

Where to buy this purifier

Alen
Alen BreatheSmart 45i
$449.00
In stock at last check
Checked August 22, 2026
Buy at Alen(opens in a new tab)

Prices and availability are shown as last recorded and can change at any time. Confirm both on the seller's page before ordering.

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