GRAINGER Pleated Air Filter: 10 in x 33 in x 1 in, MERV 8
The GRAINGER Pleated Air Filter (MPN 21C091) is a MERV 8 general-use filter measuring 10 in x 33 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-61234
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Product Description
The GRAINGER Pleated Air Filter (MPN 21C091) is a MERV 8 general-use filter measuring 10 in x 33 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 21C091 used for?
The GRAINGER Pleated Air Filter 21C091 is a MERV 8 general-use filter for standard air filtration in HVAC systems. It captures common airborne particles like dust and pollen in commercial or industrial environments, helping maintain indoor air quality.
What are the specifications of the GRAINGER Pleated Air Filter 21C091?
The GRAINGER Pleated Air Filter 21C091 measures 10 in x 33 in x 1 in with a MERV 8 rating. It uses synthetic media and a beverage board frame. The manufacturer part number is 21C091. This filter is designed for general-use air filtration applications.
Where to buy the GRAINGER Pleated Air Filter 21C091 worldwide?
3G Electric supplies the GRAINGER Pleated Air Filter 21C091 to customers worldwide. We handle full logistics and customs clearance for international orders. Contact our team to source this filter for your facility, regardless of your location.
How to install the GRAINGER Pleated Air Filter 21C091?
To install the GRAINGER Pleated Air Filter 21C091, turn off the HVAC system, remove the old filter, and note the airflow direction arrow on the new filter. Slide the 10 in x 33 in x 1 in filter into the slot with the arrow pointing toward the blower. Secure 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.















