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Filterbuy 18x22x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)
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Filterbuy 18x22x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)
MERV 8 synthetic media protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow
Filterbuy 18x22x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)
Item #: 121879402

Filterbuy 18x22x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)

90% of respondents would recommend this to a friend

Item #: 121879402

NAD 1659

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MERV 8 synthetic media protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow
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What Stands Out

Effective Filtration
MERV 8 rating captures dust, pollen, and allergens, significantly improving air quality for allergy sufferers and promoting a healthier living environment.
Durable Construction
Electrostatic pleated design maximizes airflow while maintaining filter integrity, ensuring efficient performance in HVAC systems without frequent replacements.
Made in USA
Supports local manufacturing with high-quality standards, providing consumers peace of mind and contributing to the economy while ensuring reliable performance.

Product Details

Get the best deal on Filterbuy 14x14x1 Air Filter MERV 8 at Ubuy Namibia. Protect your HVAC system with these pleated air filters. Buy now!
MERV Rating8
Compatible DevicesAir Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump
Filter Mounting TypeSlide In
Filter ShapeRectangular
Max Temperature200 u00b0F
Product GradeReplacement Parts
Filter Airflow DirectionVariable
Compatible Hvac SystemsCommercial, Industrial, Residential
Common ApplicationsAllergen Reduction, High Strength
Max Velocity615 cfm
Item Dimensions L x W x Thickness21.75"L x 17.75"W x 0.75"Th
Item Weight1.9 pounds (860 grams)
Unit Count4 Count
Material TypeAluminum, Plastic, Polypropylene
Air Filter ConstructionPleated
Brand NameFilterbuy
Model NumberAFB18x22x1M8pk4
UPC717267051477
Number of Items1
ManufacturerFilterbuy
Number of Packs1
Item HighlightElectrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.75 x 21.75 x 0.75)
Included ComponentsAir Filters
Item Type NameAir Filter
Manufacturer Part NumberFBA_AFB18x22x1M8pk4
BrandFilterbuy
MaterialAluminum, Plastic, Polypropylene
Product Dimensions (L x W x H)21.75"L x 17.75"W x 0.75"Th (55.2 x 45.1 x 1.9 cm)

Who Should Buy?

Suitable For
  • Allergy Sufferers

    Ideal for individuals with allergies, as it effectively captures dust, pollen, and other allergens from the air.

  • Pet Owners

    Great for homes with pets, helping to reduce pet dander and related allergens in the living environment.

  • Budget Conscious

    Cost-effective option, providing a 4-pack for extended use without breaking the bank while maintaining quality.

Not Suitable For
  • Limited HVAC Systems

    Not suitable for systems requiring higher MERV ratings, as it may not provide adequate filtration for intense needs.

Product Description

Filterbuy 18x22x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the MERV rating of the Filterbuy 11.25x11.25x1 Air Filter?

    Answer: The Filterbuy 11.25x11.25x1 Air Filter features a MERV 8 rating. This means it effectively filters out a significant amount of airborne particles, including dust, pollen, mold spores, and pet dander. MERV 8 filters offer a balance between airflow and filtration efficiency, ensuring that the air circulating in your home is cleaner without compromising your HVAC system's performance. By using these filters, you can provide a healthier indoor environment, particularly beneficial for allergy sufferers or households with pets.
  • Question: What is the actual size of the Filterbuy 11.25x11.25x1 Air Filter?

    Answer: The actual size of the Filterbuy Air Filter is 11.25 x 11.25 x 0.75 inches. This measurement is crucial as it ensures that the filter fits properly into your HVAC system or furnace, allowing for optimal air filtration. If you have an HVAC unit needing this specific size, mismatching can lead to inefficiencies or airflow issues. Regularly checking the filter size helps maintain your system’s performance, contributing to an improved air quality throughout your space.
  • Question: How often should I replace my Filterbuy Air Filter?

    Answer: It's recommended to replace your Filterbuy Air Filter every 3 to 6 months, depending on factors like air quality and usage. High pollen seasons, households with pets, or regular use of heating and cooling systems can necessitate more frequent changes. Regularly replacing your filter not only maintains efficient airflow but also traps more dust and allergens, ensuring a cleaner breathing environment. Setting a reminder can help manage this timing effectively and contribute to the longevity of your HVAC system.
  • Question: Can the Filterbuy Air Filter improve indoor air quality?

    Answer: Yes, the Filterbuy Air Filter can significantly improve indoor air quality due to its MERV 8 rating, which captures a variety of common allergens and pollutants. Filters play a critical role by trapping airborne particles that can otherwise circulate and aggravate respiratory issues. By using quality filters regularly, you diminish dust build-up in your home and promote a healthier environment for you and your family, especially for those with allergies or asthma.
  • Question: What materials are used in the Filterbuy Air Filter?

    Answer: The Filterbuy Air Filter is made from high-quality pleated synthetic media. This material provides excellent filtration efficiency, capturing a wide range of airborne particulates while maintaining good airflow characteristics. The pleated design increases the filter's surface area, allowing it to trap more contaminants compared to traditional flat filters. This choice of material helps ensure that your HVAC system runs efficiently, prolonging its lifespan and minimizing energy consumption.
  • Question: Are Filterbuy Air Filters eco-friendly?

    Answer: Yes, Filterbuy is committed to producing eco-friendly air filters. The materials used in the MERV 8 filters are designed to be more sustainable without sacrificing performance. Additionally, manufacturers may utilize production practices that aim to reduce environmental impact. Choosing eco-friendly filters helps in reducing waste and environmental degradation, making it an excellent choice for environmentally conscious consumers looking to maintain clean air without compromising ecological responsibility.
  • Question: What types of systems are compatible with the Filterbuy Air Filter?

    Answer: The Filterbuy Air Filter is compatible with most standard HVAC, AC, and furnace systems that accept a 11.25 x 11.25 x 0.75 inch filter. It's essential to verify the filter size and specifications of your system for perfect compatibility. Using the right filter enhances air quality and efficiency, while incorrect sizing can lead to reduced performance and may damage your HVAC system. Always refer to the manufacturer’s guide when selecting the appropriate filter type for your system.
  • Question: Where can I buy the Filterbuy 11.25x11.25x1 Air Filter in Namibia?

    Answer: You can buy the Filterbuy 11.25x11.25x1 Air Filter at Ubuy in Namibia. They offer a convenient platform for purchasing your air filters online, ensuring you access the right products direct from the source. Ubuy provides detailed product descriptions and customer reviews, allowing you to make informed purchasing decisions. Additionally, their user-friendly interface and various payment options ensure a smooth shopping experience.
  • Question: What does 'Dust Defense' mean for the Filterbuy Air Filter?

    Answer: 'Dust Defense' indicates that the Filterbuy Air Filter is specifically designed to capture dust particles more effectively than standard filters. This designation means that the filter employs advanced media constructed to entrap finer dust, pet dander, and pollen, resulting in significantly cleaner air. Utilizing filters with this designation is highly beneficial for allergy sufferers or homes in dusty environments, enhancing overall comfort and health.
  • Question: How can I tell if my air filter needs to be replaced?

    Answer: You can tell if your air filter needs to be replaced by checking for visible dirt and discoloration. If you notice that the filter appears clogged or has a greyish hue, it's time for a replacement. Additionally, if airflow from your vents is significantly reduced or if there's an increase in dust accumulation inside your home, these are signs that the filter must be changed. Regular maintenance of your filter ensures your HVAC system continues to operate efficiently and improves indoor air quality.

Filterbuy Furnace Filters AFB18x22x1M8pk4 Editorial Review

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4.2/5 9477 reviews
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
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“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
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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
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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
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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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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NAD 1659

Order now and get it around Tuesday, September 29

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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Fastest cross-border delivery

Features & Benefits

  • 14x14x1 replacement air filters for your HVAC system
  • MERV 8 synthetic media traps airborne particles without impacting airflow
  • Electrostatically charged, pleated design captures more harmful particles
  • Industrial-grade beverage board frames with dual-wire backing
  • Manufactured in the US with recyclable materials
  • Lasts 3 times longer than fiberglass models

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