45i Replacement Filter for Alen BreatheSmart Flex Bh400 & 45i Air Purifier

Experience clean air like never before with our premium 45i Pure replacement filter, engineered for maximum efficiency and odor removal.

Airtiancai

Artikelnr.: 221719775

45i Replacement Filter for Alen BreatheSmart Flex Bh400 & 45i Air Purifier

76% der Befragten würden dies einem Freund empfehlen

1 Sustainability Highlights

Artikelnr.: 221719775

€ 27

Price Details

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Bestellen Sie jetzt und erhalten Sie es am Donnerstag, Oktober 15

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Experience clean air like never before with our premium 45i Pure replacement filter, engineered for maximum efficiency and odor removal.

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ISO 27001-zertifiziert

Note: Step Down Voltage Transformer required for using electronics products of USA store (110-120). Recommended power converters Jetzt kaufen.

Besondere Merkmale

Enhanced Filtration

Equipped with advanced HEPA technology, the 45i filter captures 99% of airborne particles, ensuring superior air quality for allergy sufferers and those with respiratory issues.

Compatibility

Designed specifically for the Alen Breathesmart Flex BH400, this filter guarantees a perfect fit and optimal performance, maximizing the efficiency of your air purifier.

Long Lasting

With a lifespan of up to 12 months, the 45i filter provides long-term protection, reducing the frequency of replacements while maintaining impressive air purification and reducing overall maintenance costs.

Produktdetails

Package Dimensions	14.72 x 11.77 x 6.34 inches (37.4 x 29.9 x 16.1 cm); 2.69 pounds (1.22 kg)
Item model number	1
Date First Available	December 6, 2025
Manufacturer	Airtiancai
Brand Name	Airtiancai
Model Name	1
Included Components	1
Model Number	1
Manufacturer Part Number	1
Unit Count	1 Count
Material Type	Plastic
Color	45i-2+6
Number of Layers	1

Für wen ist das Produkt geeignet?

Allergy Sufferers
Provides effective filtration for allergens, helping users breathe easier and reduce allergy symptoms at home.
Pet Owners
Removes pet dander and odors from the home environment, creating a cleaner and healthier living space.
Asthma Patients
Helps in reducing asthma triggers by filtering out dust, pollen, and other respiratory irritants.

Large Spaces
May not be effective in significantly large areas as it is designed for smaller to medium-sized rooms.

PRODUKTBESCHREIBUNG

Sustainability Highlights

This product has sustainability features recognized by trusted certifications.

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and/or offset. As certified by

ClimatePartner Verified certifies products and services from companies that have calculated their carbon footprint, set reduction targets, implemented reduction measures, and financed certified climate projects. ClimatePartner is an independent certification partner that enables companies to take measurable climate action with full transparency via an individual Climate ID page. Learn more about this certification

Certification Number: DIU327

Haben Sie eine Frage? Mit uns chatten

Kundenfragen und -antworten

Frage: What does the 45i Replacement Filter do for the Alen Breathesmart Flex BH400 Air Purifier?

Antworten: The 45i Replacement Filter is designed to effectively capture airborne pollutants such as dust, pet dander, pollen, and smoke. This filter utilizes advanced filtration technology to ensure that the air you breathe is cleaner and healthier. It's crucial for maintaining optimal air quality, especially for households with allergies or respiratory issues. Regularly replacing the filter helps your purifier function efficiently, allowing for improved air circulation and healthier living environments.
Frage: How often should I replace the 45i Replacement Filter?

Antworten: The 45i Replacement Filter should typically be replaced every 6 to 12 months, depending on usage and air quality. If you live in an area with high pollution or have pets, you may need to replace it more frequently. Monitoring the filter's condition is vital; if it appears discolored or clogged, it’s time for a replacement. Regular changes will ensure your air purifier operates at peak performance, providing cleaner air continuously.
Frage: What type of allergens does the 45i Replacement Filter capture?

Antworten: The 45i Replacement Filter effectively captures a wide range of allergens, including dust mites, pet hair, pollen, smoke particles, and mold spores. These filters are especially beneficial for individuals suffering from asthma or allergies, as they significantly reduce airborne irritants. Utilizing this filter not only improves your indoor air quality but also creates a healthier living space for you and your loved ones.
Frage: How do I install the 45i Replacement Filter?

Antworten: Installing the 45i Replacement Filter is a straightforward process. First, turn off and unplug your Alen Breathesmart Flex BH400 air purifier. Open the front cover and carefully remove the old filter. Then, unpackage the new 45i filter and insert it into the designated slot, ensuring it fits snugly. Finally, close the cover and restart your air purifier. This ensures that you resume clean air circulation immediately without any hassle.
Frage: Can I clean the 45i Replacement Filter instead of replacing it?

Antworten: No, the 45i Replacement Filter is designed for one-time use and should not be cleaned or reused. Attempting to clean the filter can damage its fibers and reduce its efficiency in trapping pollutants. For best results, periodically replacing the filter is recommended to ensure continuous optimal performance and air quality. This guarantee of clean air is essential for promoting a healthy living space.
Frage: Is the 45i Replacement Filter compatible with other air purifier models?

Antworten: The 45i Replacement Filter is specifically designed for the Alen Breathesmart Flex BH400 air purifier and may not be compatible with other models. Using the correct filter ensures that your air purifier operates efficiently and effectively. It’s important to choose filters that are tailored for your specific model to maintain optimal air purification results.
Frage: What is the lifespan of the 45i Replacement Filter?

Antworten: The lifespan of the 45i Replacement Filter typically ranges between 6 to 12 months, depending on factors such as usage, room size, and air quality. HEPA filters like the 45i are engineered to maintain high efficiency until they reach their saturation point. Monitoring the filter's performance and adhering to recommended replacement timelines is crucial for ensuring that your air purifier continues to provide clean, breathable air consistently.
Frage: Are there any specific features of the 45i Replacement Filter?

Antworten: The 45i Replacement Filter features a true HEPA filtration system, which is capable of capturing 99.97% of airborne particles as small as 0.3 microns. Additionally, it includes an activated carbon layer that helps eliminate odors, smoke smells, and volatile organic compounds (VOCs). These features make the filter an excellent choice for improving indoor air quality and creating a more pleasant living environment.
Frage: How do I know when the 45i Replacement Filter needs changing?

Antworten: Many Alen Breathesmart Flex BH400 air purifiers have indicator lights that alert you when the filter needs replacement. You can also manually check the filter by removing it and inspecting its condition. If it appears clogged, discolored, or if you notice a decline in air quality, these are signs that it’s time for a replacement. Regular monitoring helps maintain effective purification in your space.
Frage: Where can I buy the 45i Replacement Filter for the Alen Breathesmart Flex BH400 Air Purifier?

Antworten: You can buy the 45i Replacement Filter for Alen Breathesmart Flex BH400 Air Purifier through Ubuy in Austria. Ubuy offers a convenient online shopping experience with a variety of product options. You’ll find authentic filters ensuring that your air purifier continues to operate at high efficiency, promoting cleaner air for your home.

Airtiancai Air Purifier Filters 1 Editorial Review

### Editorial Review The 45i replacement filters for the Alen air purifier have garnered overwhelmingly positive feedback from customers, reflecting a solid reputation for effectiveness, compatibility, and value. Users are particularly pleased with how seamlessly these filters fit into their Alen Flex units—installation is noted as straightforward and hassle-free, which is a Considerable positive when replacing filters. Customers report a noticeable improvement in air quality shortly after installation, citing reductions in dust, odors, and stale air, making popular areas like nurseries notably fresher. The combination of the H13 True HEPA filter with activated charcoal layers effectively captures fine particles and neutralizes unpleasant smells, enhancing the overall performance of the air purifier. Additionally, the affordability of these filters has impressed many users looking for quality alternatives to often pricey OEM versions. With two filters and multiple carbon pre-filters included, buyers find that they receive great value for their investment at about $36. Many customers express intent to repurchase, indicating strong satisfaction and confidence in the product's long-lasting performance. Overall, the 45i replacement filters stand out as a reliable choice for those aiming to maintain optimal air quality in their homes. ### Pros and Cons **

Kundenbewertungen

4.1

26 Kundenbewertungen

5 Sterne

62%
4 Sterne

14%
3 Sterne

10%
2 Sterne

5%
1 Sterne

9%

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Vorteile

Perfect fit for Alen Flex air purifiers.
Simple and hassle-free installation.
Noticeable improvement in air quality.
Effective in reducing dust, odors, and stale air.
Affordable alternative to OEM filters.
Includes both HEPA and carbon filters for enhanced performance.
Positive long-term user experiences with continued effectiveness.

Nachteile

Some users may prefer specific brand-name performance, though many find these alternatives satisfactory.

Platform Trust & Buyer Confidence

4.2/5 9477 Bewertungen

Bewertungen lesen

Jasmin

Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

Hazel

Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot

Opaleye

Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

Adele

Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

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Produktpreisverlauf

Wichtige Information

Einschränkungen: Für international versandte Produkte beachten Sie bitte, dass jegliche Herstellergarantie nicht gültig sein könnte; Herstellerservice-Optionen nicht verfügbar sein könnten; Produkthandbücher, Gebrauchsanleitungen und Sicherheitshinweise nicht in der Sprache des Ziellandes verfasst sein könnten; die Produkte (und Begleitmaterialien) könnten nicht im Einklang mit den Standards, Spezifizierungen und Etikettierungsvorgaben des Ziellandes entworfen sein; und die Produkte könnten nicht der Voltzahl und anderen elektrischen Standards des Ziellandes entsprechen (weshalb, falls zutreffend, die Verwendung eines Adapters oder Umwandlers erforderlich sein könnte). Der Empfänger ist dafür verantwortlich sicherzustellen, dass das Produkt legal in das Zielland importiert werden kann. Bei der Bestellung von Ubuy oder seinen Partnern ist der Empfänger der eingetragene Importeur und muss sich an alle Gesetze und Regulierungen des Ziellandes halten.
Nicht alle auf Ubuy aufgeführten Produkte werden zum Verkauf angeboten, da Ubuy eine globale Suchmaschine ist. Produkte unterliegen Export-/Handelsbestimmungen.

€ 27

Bestellen Sie jetzt und erhalten Sie es am Donnerstag, Oktober 15

QTY:

Nur noch 2 Artikel auf Lager.

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Merkmale und Vorteile

Compatible with Alen BreatheSmart 45i and Flex Air Filter models.
Features a 3-stage filtration system for superior air quality.
Removes 99.97% of harmful particles including pet dander and dust.
Includes 2 HEPA filters and 6 activated carbon filters for savings.
Recommended replacement every 6-8 months for optimal performance.
Customer satisfaction guaranteed with dedicated after-sales support.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

45i Replacement Filter for Alen BreatheSmart Flex Bh400 & 45i Air Purifier