GRAINGER Ring Panel Air Filter: 18 in x 20 in x 1 in, 20 in Section Wd, 1 Sections
The GRAINGER Ring Panel Air Filter (MPN 33E909) is a MERV 8 rated, synthetic media air filter measuring 18 in x 20 in x 1 in. It features a 2-ply construction with 1 section and a 20 in section width. This product is…
SKU 3G-OTH-58142
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Product Description
The GRAINGER Ring Panel Air Filter (MPN 33E909) is a MERV 8 rated, synthetic media air filter measuring 18 in x 20 in x 1 in. It features a 2-ply construction with 1 section and a 20 in section width. This product is designed for general filtration applications requiring MERV 8 performance.
Frequently Asked Questions
What is the GRAINGER Ring Panel Air Filter 33E909 used for?
The GRAINGER Ring Panel Air Filter 33E909 is used for general HVAC filtration in commercial and industrial settings. Its MERV 8 rating captures common airborne particles like dust, pollen, and mold spores, making it suitable for protecting equipment and improving indoor air quality in ventilation systems.
What are the specifications of the GRAINGER 33E909 air filter?
The GRAINGER 33E909 is a MERV 8 rated ring panel air filter with dimensions 18 in x 20 in x 1 in. It has 2-ply synthetic media, 1 section with a 20 in section width, and a manufacturer part number 33E909. The synthetic media construction offers durability and consistent filtration performance.
Where to buy the GRAINGER 33E909 air filter worldwide?
You can source the GRAINGER 33E909 air filter 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; we provide reliable sourcing for MERV 8 ring panel filters.
How to install the GRAINGER 33E909 ring panel air filter?
To install the GRAINGER 33E909, first ensure the HVAC system is off. Slide the filter into the designated slot with the airflow arrow pointing toward the blower. Secure the access panel and check for a snug fit to prevent bypass. Replace every 3 months or as needed based on usage and air quality.
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3G Electric supplies GRAINGER merv 8 ring panel air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















