- Home Page /
- Tools & Home Improvement /
- Building Supplies /
- HVAC /
- Furnace Parts & Accessories /
- Furnace Filters /
- 5251F-2 Filter, 3/8 x 5 1/16 x 16 11/16 (Pack...
0 ratings
Item #:
168935304
5251F-2 Filter, 3/8 x 5 1/16 x 16 11/16 (Package of 5)
98% of respondents would recommend this to a friend
Item #:
168935304
GBP 347
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, October 08
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Lightweight, reusable, and easy to clean, KOOLTRONIC filters are your essential solution for effective air filtration in electronics enclosures.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Size
Designed for easy installation, the 5251F-2 filter's compact dimensions enhance versatility, allowing it to fit various systems seamlessly and improve overall filtration efficiency.
High Efficiency
This filter excels in trapping dust and allergens, providing cleaner air and improved indoor air quality, making it ideal for homeowners and businesses with specific air filtration needs.
Value Package
Sold in a convenient package of five, the 5251F-2 filter offers excellent value, ensuring you always have a replacement on hand and reducing overall maintenance costs.
Product Details
| Brand Name | Kooltronic |
| Model Number | 5251F-2 |
| Manufacturer | Kooltronic |
| Manufacturer Part Number | 5251F-2 |
| Material Type | Aluminum |
| Brand | Kooltronic |
| Material | Aluminum |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
-
HVAC Technicians
Ideal for HVAC professionals needing reliable air filtration solutions for maintaining clean air quality in systems.
-
Homeowners
Great choice for homeowners wanting to improve indoor air quality and reduce allergens with regular filter changes.
-
Allergy Sufferers
Beneficial for individuals with allergies, offering effective filtration to minimize pollen, dust, and other allergens.
-
Non-Standard Systems
Not suitable for HVAC systems not compatible with 3/8 x 5 1/16 x 16 11/16 filter dimensions.
Product Description
5251F-2 Filter, 3/8 x 5 1/16 x 16 11/16 (Package of 5)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the size of the 5251F-2 filter?
Answer: The 5251F-2 filter measures 38 x 5 1/16 x 16 1/16 inches. This specific size ensures compatibility with various HVAC systems that require precise dimensions for optimal airflow and filtration efficiency. It is essential for ensuring that your heating and air conditioning systems operate effectively, filtering out dust and allergens. When selecting filters, always measure the existing filter dimensions to confirm compatibility. -
Question:
What kind of filtration does the 5251F-2 filter provide?
Answer: The 5251F-2 filter is designed to provide high-efficiency filtration for your HVAC system. It captures airborne particles such as dust, pollen, pet dander, and other allergens, promoting a healthier indoor environment. By using this filter regularly, you can maintain air quality and reduce the overall workload on your HVAC system, which can enhance its lifespan and performance. For homes with allergies, the right filter can significantly improve comfort. -
Question:
How often should I change the 5251F-2 filter?
Answer: It is generally recommended to replace the 5251F-2 filter every 1 to 3 months, depending on usage and air quality conditions. In homes with pets, heavy dust, or frequent HVAC use, a monthly change might be best. Regular replacement ensures that the filter maintains high airflow and filtration efficiency, ultimately leading to improved air quality. Keep track of your replacement schedule for optimal system performance. -
Question:
Can the 5251F-2 filter help reduce allergens in my home?
Answer: Yes, the 5251F-2 filter is specifically designed to trap a wide range of allergens including dust, pollen, and pet dander. By utilizing this filter in your HVAC system, you can create a cleaner living environment which is particularly beneficial for individuals with allergies or asthma. Proper filtration helps to significantly reduce airborne irritants, contributing to better respiratory health and overall comfort. -
Question:
Is the 5251F-2 filter suitable for all HVAC systems?
Answer: The 5251F-2 filter is suitable for many standard residential and commercial HVAC systems. However, it is essential to check your system's specifications or consult the manufacturer's recommendations to ensure compatibility. Using the correct filter size ensures that it fit snugly, preventing air leaks and ensuring optimal performance. Always refer to your system's manual for further guidance on compatible filters. -
Question:
How do I install the 5251F-2 filter?
Answer: Installing the 5251F-2 filter is straightforward. First, turn off your HVAC system to ensure safety. Locate the filter compartment, remove the old filter, and insert the new filter, ensuring the airflow direction indicated on the filter aligns with your system’s airflow. After installation, turn your system back on, and you’re good to go. Proper installation maximizes efficiency and ensures effective filtration. -
Question:
What materials are used in the 5251F-2 filter?
Answer: The 5251F-2 filter is typically made from synthetic fibers designed to capture particles efficiently while allowing for optimal airflow. These materials are engineered to provide effective filtration without significantly hindering airflow, which is crucial for system efficiency. Using high-quality materials helps maintain the integrity of your HVAC system by preventing wear and tear due to dust accumulation. -
Question:
Can I buy the 5251F-2 filter in bulk?
Answer: Yes, the 5251F-2 filter is often available in packages of five, allowing for bulk purchasing. Buying in bulk not only saves you from frequent store trips but also ensures you have spare filters on hand when it’s time for replacement. This is particularly convenient for users living in areas with high dust or allergens, where frequent changes are necessary to maintain air quality. -
Question:
What is the best way to store spare 5251F-2 filters?
Answer: To ensure the longevity of your spare 5251F-2 filters, store them in a cool, dry place away from direct sunlight. Avoid exposure to extreme humidity or temperature fluctuations, as these conditions may degrade the material. Keeping filters in their original packaging until use can also help protect them from dust and contamination. Proper storage ensures your filters remain in top condition until they’re needed. -
Question:
Where can I buy the 5251F-2 filter in Guernsey?
Answer: You can buy the 5251F-2 filter, 38 x 5 1/16 x 16 1/16 Package of 5 at Ubuy. Ubuy offers a convenient shopping experience with a variety of filters and other HVAC products, ensuring that you find what you need for your home or office. With Ubuy, you can easily browse their selection and place your order with confidence.
Kooltronic Furnace Filters 5251F-2 Editorial Review
The 5251F-2 Filter from Kooltronic is a robust aluminum filter designed to enhance air quality with its precise dimensions of 3/8 x 5 1/16 x 16 11/16, packaged conveniently in a set of five. Users appreciate its lightweight build of just 1 lb, making installation and maintenance a breeze. This filter is ideal for various applications, ensuring optimal performance and longevity. Kooltronic has a reputation for durability and reliability, which is evident in this model. Whether used in industrial settings or residential spaces, this filter provides the necessary efficiency for cleaner air circulation.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Lightweight design aids easy installation
- Durable aluminum material offers longevity
- Good dimensions for versatile applications
- Package includes five filters for convenience
- Reliable brand known for quality
Cons
- Compatibility with specific systems should be checked
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
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
H
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
O
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
AC
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
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
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.
GBP 347
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Multi-layer grid design for optimal filtration performance.
- Constructed from durable corrugated aluminum.
- UL Listed for safety and reliability.
- Lightweight and reusable to save on costs.
- Easy to clean and recoated for continued use.
- Perfect for any electronics enclosure requiring air filtration.
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.