GRAINGER 21C058 Pleated Merv Air Filter 8X42X1

( Brand: Grainger ), ( Manufacturer Part Number: 21C058 ), ( Part Type: Air Filter )

Review GRAINGER Pk Pleated Air Filter 8x42x1 Merv

The Grainger 21C058 12-pack of 8x42x1 inch MERV air filters is an essential addition to any HVAC system that prioritizes cleaner and healthier indoor air. These filters, manufactured by 3M Filtrete, boast a MERV (Minimum Efficiency Reporting Value) rating of 11, which makes them highly effective at capturing a broad range of airborne particles.

Each filter features a 12-pleat design, which increases the filter's surface area, allowing it to capture more particles as the air passes through. The pleats are made from a dense, synthetic media that can trap particles as small as 1 micron in size, including pollen, dust, and smoke.

The filters have a dimensions of 8 inches by 42 inches by 1 inch, making them suitable for use in most standard HVAC systems. The thick frame around the filter ensures a secure fit, preventing air bypass and maintaining optimal system performance.

These filters are easy to install and replace, with a simple slide-in design that requires no tools. They are also recyclable, which makes them an eco-friendly choice for those who prioritize sustainability.

Maintaining these filters is a breeze, as they can be vacuumed or gently washed with mild detergent and warm water. It's important to replace them regularly, however, to ensure continued effective filtration and to prolong the life of your HVAC system.

In summary, the Grainger 21C058 12-pack of 8x42x1 inch MERV 11 air filters provide superior air filtration, are easy to install and maintain, and are an eco-friendly choice for those seeking cleaner and healthier indoor air.

The Grainger 21C058 12-pack of 8x42x1 inch MERV 1 filters is a common choice for HVAC systems due to its affordability and availability. Here are some pros and cons of buying this particular filter:

1. MERV Rating: This filter has a MERV (Minimum Efficiency Reporting Value) rating of 1, which means it can effectively trap large particles such as dust, pollen, and fibers.

2. Affordable: Compared to higher MERV rated filters, the Grainger 21C058 is relatively affordable, making it an economical choice for those who want to keep their HVAC system clean without breaking the bank.

3. Easy to Install: The filter is pleated, which makes it easy to install and replace in most residential and light commercial HVAC systems.

4. Availability: Grainger is a well-known supplier of industrial and commercial products, and their filters are widely available both online and in physical stores.

1. Low MERV Rating: While the low MERV rating makes this filter affordable, it may not effectively trap smaller particles such as smoke, bacteria, and viruses.

2. Frequent Replacement: Due to its low MERV rating, the filter may need to be replaced more frequently than higher MERV rated filters.

3. Limited Filtering Capabilities: This filter is not suitable for use in environments where higher levels of pollution exist, such as laboratories, hospitals, or industrial settings.

The Grainger 21C058 12-pack of 8x42x1 inch MERV 1 filters is an affordable and convenient choice for those looking for a basic air filter for their residential or light commercial HVAC system. However, it may not provide the same level of filtration capabilities as higher MERV rated filters. Ultimately, the decision to purchase this filter depends on the specific needs and budget of the individual or organization.

If you are looking for a basic air filter that is affordable and easy to install, the Grainger 21C058 is a good choice. However, if you are in an environment with high levels of pollution or require more advanced filtration capabilities, it may be worth investing in a higher MERV rated filter or consulting with a professional HVAC technician to determine the best solution for your needs.

Details:

Power adapters and other modifications may be necessary for proper operation in countries.

part #: 21c058 price

• $316.80

specifications aifilteheatin:

• brand: Grainger
• mpn: 21c058
• part type: Air Filter

shipping aifilteheatin:

• class: Standard
• transit: 2-4 Days
• service: UPS Ground
• type: Fixed
• cost: $0.00
• carrier: UPS

seller aifilteheatin:

• city: Lake Forest, IL
• rating: 99.3%
• # reviews: 111001

returns aifilteheatin:

• paid by: Seller
• method: Money back
• time: 30 Days
• policy: Returns Accepted

offer aifilteheatin:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: August 25, 2025

payments aifilteheatin:

• credit card: Mastercard
• other
• wallet: Paypal

general aifilteheatin:

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

Grainger 21C058 Is Similar To:

• 10031949603660 Air Handler By Grainger Filters Merv (38.1% similar) The item is not in its original packaging. The filter is 24X24X2 inches in size. For more details, please see pictures and other. This listing is for 1 new air handler filter with a merv 11 rating...(December 21st, 2018)
• 11132017 Grainger Air Handler 16x16x1 10031949609938 (39.6% similar) You never know what kind of interesting treasures I'm going to have for sale. I take great pride in selling very good quality items...(February 14th, 2018)
• 2jtw8 Air Handler Grainger Rigid (25.6% similar) Air handler Grainger 2JTW8 rigid cell filter 24 x FM 2 pieces new manufacturer: model:: condition: technical specs item: nominal size: 24X24X6 height : width : depth: 6 efficiency: merv: 11 flow: 500 initial resistance. Air flow: 500 FM max. 50 WC frame header material: corrosion resistant steel ...(September 14th, 2017)
• 2jua4 Air Handler Grainger Rigid (25.6% similar) 68 WC final recommended resistance: 1.: 180 degrees f media area: 40 sq WC frame header material: no header: none max. Air flow: 500 FM max. Technical specs rigid cell filter nominal size: 20X24X12 height : width : depth: efficiency: merv: 14 air flow: 500 FM initial resistance. Reinforced ...(September 14th, 2017)
• 2w237 Merv 7 Grainger 20x25x4 (33.7% similar) Grainger 2W237 merv 7 classified ul 543L R13458 size 20 x 25 4 actual metric 495MM 622 95 I have 2 of these for offer they were purchased as a case 6 rental home no longer own...(October 14th, 2017)
• 6b923 Grainger Air Handler Case (42.4% similar) This listing is for one case of 6 air handler 24X24X4 synthetic pleated filters merv 8/6 B923 quantity: 50 more surface area than standard capacity extends service life by 30 to, providing reduced resistance and lower energy maintenance costs. Die-cut frame. Wire-backed design. Please look carefully...(February 9th, 2018)
• Sm 10232014 Grainger Air Handler (37.2% similar) Manufactured Grainger,inc. Air handler: 10X10X1 fiberglass filter 12 pack 5W500. I would much prefer to answer any questions now instead of after the offer is over avoid future hassles...(September 30th, 2017)
• Hv120014ag Dayton Filter For Use With Grainger Item Number 190735266519 (27.2% similar) For warranty information on a particular item or to obtain parts service an if applicable, please. Warranty issues with all power equipment must be addressed through the manufacture. Power equipment: trimmers, mowers, chain saws, etc. Further warranty may be offered by the product manufacturer. If ...(February 20th, 2020)
• New Grainger General Use Pleated Air Filter 24x24x2 Merv 8 High Capacity (60.3% similar) Air filter item: pleated air filter. Filter efficiency: 40%. Has over 25 years of experience. Problems with an order. The Grainger CB924 is in new condition...(August 9th, 2022)
• Grainger 36pt10 Furn Air Clean Filt Merv 11 20x25x6 Inch 2pk Factory Damage (38.8% similar) See all pictures for condition and items included. New condition...(September 1st, 2024)
• Grainger 20hn66 Mini-pleat Air Filter 24x24x12 Merv 14 (68.5% similar) Grainger approved snap RING,PK5 811AH6. Grainger part #:20HN66. Power adapters and other modifications may be necessary for proper operation in countries...(October 4th, 2024)