GRAINGER Pleated Air Filter: 20 in x 20 in x 1 in, MERV 11
The GRAINGER Pleated Air Filter (MPN 394WF1) is a MERV 11 pleated air filter measuring 20 in x 20 in x 1 in. It features a synthetic media material and a beverage board frame. This high-strength filter is designed…
SKU 3G-OTH-58511
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Product Description
The GRAINGER Pleated Air Filter (MPN 394WF1) is a MERV 11 pleated air filter measuring 20 in x 20 in x 1 in. It features a synthetic media material and a beverage board frame. This high-strength filter is designed for general industrial 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 394WF1 used for?
The GRAINGER Pleated Air Filter 394WF1 is used for general industrial air filtration. Its MERV 11 rating captures airborne particles like dust, pollen, and mold spores in HVAC systems, helping maintain cleaner air in manufacturing plants, warehouses, and commercial facilities.
What are the specifications of the GRAINGER Pleated Air Filter 394WF1?
The GRAINGER Pleated Air Filter 394WF1 measures 20 in x 20 in x 1 in with a MERV 11 rating. It uses synthetic media material and a beverage board frame. The manufacturer part number is 394WF1. This high-strength filter is designed for standard HVAC applications in industrial settings.
Where to buy the GRAINGER Pleated Air Filter 394WF1 worldwide?
You can source the GRAINGER Pleated Air Filter 394WF1 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 on this filter.
How to install the GRAINGER Pleated Air Filter 394WF1?
To install the GRAINGER Pleated Air Filter 394WF1, turn off the HVAC system, remove the old filter, and note the airflow direction arrow on the new filter. Slide the 20 in x 20 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 11 pleated air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















