GRAINGER Pleated Air Filter: 10 in x 18 in x 1 in, MERV 8
The GRAINGER Pleated Air Filter (MPN 21C051) is a MERV 8 general-use filter measuring 10 in x 18 in x 1 in. It features a synthetic media material and a beverage board frame or header. This product is designed for…
SKU 3G-OTH-57999
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Product Description
The GRAINGER Pleated Air Filter (MPN 21C051) is a MERV 8 general-use filter measuring 10 in x 18 in x 1 in. It features a synthetic media material and a beverage board frame or header. This product is designed for standard air filtration applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the GRAINGER Pleated Air Filter 21C051 used for?
The GRAINGER Pleated Air Filter 21C051 is a MERV 8 general-use filter designed for standard air filtration in commercial and industrial HVAC systems. It captures common airborne particles such as dust, pollen, and mold spores to improve indoor air quality.
What are the specifications of the GRAINGER Pleated Air Filter 21C051?
The GRAINGER Pleated Air Filter 21C051 measures 10 in x 18 in x 1 in with a MERV 8 rating. It uses synthetic media material and a beverage board frame. The manufacturer part number is 21C051. This filter is suitable for general-use air filtration applications.
Where to buy the GRAINGER Pleated Air Filter 21C051 worldwide?
You can source the GRAINGER Pleated Air Filter 21C051 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the GRAINGER Pleated Air Filter 21C051?
To install the GRAINGER Pleated Air Filter 21C051, turn off the HVAC system, remove the old filter, and note the airflow direction arrow on the new filter. Insert the filter securely into the slot with the arrow pointing toward the blower. Replace the access panel and restart the system.
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3G Electric supplies GRAINGER merv 8 pleated air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















