DUPONT KG21X23X1A Purafilter Merv Filter Pack 886566246850 1-INCH

( Brand: Dupont ), ( Manufacturer Part Number: KG21X23X1A ), ( Type: Hvac Air Filter ), ( Size: 4 Count ), ( Color: White ), ( Unitvalue: 4.00 ), ( Unittype: Count ), ( UPC: 886566246850 )

Review DUPONT Purafilter Gold 21x23x1 Actual Size Merv 1-inch Filter Pack

Introducing the DuPont KG21X23X1A Purafilter MERV 1, a high-performance 1-inch filter pack designed to enhance the air quality in your residential or light commercial HVAC systems. This filter, manufactured by DuPont, a globally recognized leader in filtration technology, is engineered to capture and retain a broad spectrum of airborne particles.

Measuring 21 inches in length, 23 inches in width, and 1 inch in thickness, this filter boasts a large surface area to effectively capture contaminants as air passes through it. Its MERV (Minimum Efficiency Reporting Value) rating of 1 signifies that it is designed to trap larger particles, such as dust, pollen, and fiberglass fibers.

The DuPont KG21X23X1A Purafilter is made from a pleated media, which increases its filtering capacity and surface area. The pleats are tightly compressed to ensure a snug fit in your filter housing and minimize air bypass. The filter's frame is made of a sturdy, reinforced plastic material, providing added durability to ensure long-lasting performance.

One of the key benefits of this filter is its ease of installation. It can be easily installed in standard 1-inch filter slots, making it a versatile choice for various HVAC systems. Additionally, its low resistance to airflow ensures that your system operates efficiently, maintaining optimal indoor comfort with minimal energy consumption.

The DuPont KG21X23X1A Purafilter MERV 1 is a cost-effective solution for improving indoor air quality. It is designed for disposable use and should be replaced regularly to maintain its effectiveness. By trapping large particles, this filter helps extend the life of more expensive, higher-efficiency filters in your system.

In summary, the DuPont KG21X23X1A Purafilter MERV 1 is a high-quality, disposable 1-inch filter pack that effectively captures larger airborne particles to enhance indoor air quality. Its large surface area, pleated media design, and sturdy construction make it a reliable and efficient choice for various HVAC systems. Replace it regularly to ensure continued optimal performance and maintain a cleaner, healthier indoor environment.

The DuPont KG21X23X1A Purafilter MERV 1-inch filter pack is a commonly used air filter for residential HVAC systems. Here are some potential pros and cons of purchasing this filter:

1. MERV Rating: The filter has a MERV (Minimum Efficiency Reporting Value) rating of 1, which means it is designed to trap larger particles such as pollen, dust mites, and pet dander.

2. Easy to Install: The filter is a standard size (21x23x1 inches) and can be easily installed in most residential HVAC systems.

3. Cost-Effective: The filter is relatively inexpensive and can be purchased in bulk, making it a cost-effective option for regular filter replacements.

4. Effective at trapping larger particles: The filter is designed to trap larger particles, which can help improve indoor air quality and reduce allergens in the home.

1. Does not trap smaller particles: Since the filter has a low MERV rating, it is not effective at trapping smaller particles such as smoke, bacteria, and viruses.

2. Needs to be replaced frequently: Due to its low efficiency, the filter needs to be replaced more frequently than higher MERV rated filters. The frequency of replacement depends on the specific conditions in the home, but it is generally recommended to replace the filter every 1-3 months.

3. May not be suitable for people with severe allergies: While the filter can help reduce allergens in the home, it may not be sufficient for people with severe allergies or respiratory conditions. In such cases, a higher MERV rated filter may be necessary.

In conclusion, the DuPont KG21X23X1A Purafilter MERV 1-inch filter pack can be a cost-effective and easy-to-install option for trapping larger particles in residential HVAC systems. However, it is important to note that it does not trap smaller particles and needs to be replaced frequently. Therefore, it may not be suitable for people with severe allergies or respiratory conditions. If you are looking for a more efficient filter, consider purchasing a higher MERV rated filter.

Details:

Merv 11 rated and high-efficiency air filter. Pack of 4 Filters. Actual Size Measures 21 x 23 0.75. Traps micro-particles associated with allergies like ragweed and pollen.

part #: kg21x23x1a prices

• $21.99-$37.49

specifications aifilteheatin:

• brand: Dupont
• mpn: Kg21x23x1a
• type: Hvac Air Filter
• size: 4 Count
• color: White
• unitvalue: 4.00
• unittype: Count
• upc: 886566246850

general aifilteheatin:

• condition: New
• Heating, Cooling Air > Indoor Air Quality Fans > Air Filters

payments aifilteheatin:

• credit card: Diners-club
• wallet: Paypal
• other

returns aifilteheatin:

• policy: No Returns

seller aifilteheatin:

• # reviews: 375
• city: Buffalo, New York
• rating: 98.0%

offer aifilteheatin:

• availability: In Stock
• started: March 14, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

shipping aifilteheatin:

• type: Fixed
• cost: $0.00
• class: Standard
• carrier: UPS
• transit: 4-9 Days
• service: UPS Ground

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