GRAINGER Minipleat Air Filter: 20 in x 24 in x 2 in, Synthetic, Plastic, No Header
The GRAINGER Minipleat Air Filter (MPN 499J21) is a MERV 11 air filter measuring 20 in x 24 in x 2 in. It features a synthetic media material and a plastic frame or header material, with no header and a downstream…
SKU 3G-OTH-60927
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Product Description
The GRAINGER Minipleat Air Filter (MPN 499J21) is a MERV 11 air filter measuring 20 in x 24 in x 2 in. It features a synthetic media material and a plastic frame or header material, with no header and a downstream face design.
Frequently Asked Questions
What is the GRAINGER Minipleat Air Filter 499J21 used for?
The GRAINGER Minipleat Air Filter 499J21 is a MERV 11 filter used in commercial HVAC systems to capture airborne particles. Its synthetic media and plastic frame suit applications requiring moderate filtration efficiency, such as office buildings, schools, and light industrial facilities.
What are the specifications of the GRAINGER 499J21 air filter?
The GRAINGER 499J21 is a MERV 11 minipleat air filter measuring 20 in x 24 in x 2 in. It uses synthetic media with a plastic frame, no header, and a downstream face design. The manufacturer part number is 499J21.
Where to buy the GRAINGER 499J21 air filter worldwide?
3G Electric supplies the GRAINGER 499J21 air filter worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this MERV 11 filter to your facility. Contact us for a quote and delivery options.
How to install the GRAINGER Minipleat Air Filter 499J21?
Install the GRAINGER 499J21 filter with the airflow arrow pointing downstream. Ensure the filter fits snugly in the holding frame without gaps. Replace when pressure drop increases or every 3–6 months, depending on operating conditions. Always follow HVAC system guidelines.
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3G Electric supplies GRAINGER merv 11 minipleat air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















