Industrial Part 491H77 of Air Handler - Request a Quote
For industrial products like 491H77 Non-Pleated Air Filter, 29x20x1, MERV 4 from manufacturers such as Air Handler, you won’t find a better source than Industrials Unlimited, an all-inclusive marketplace for industrial products and much more. As a leader among independent distributors, we have access to an inventory of more than 2 billion new and obsolete parts such as 491H77 and many others. We are also an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, ensuring the quality of each part we sell.
Whether you need 491H77 from product category Fans And Hvac Equipment or any other parts in our vast and diverse inventory, Industrials Unlimited can provide it with short lead times and competitive prices. Any parts not in stock can be efficiently sourced and shipped via our extensive international supply chain network that spans North America and Europe. We are also the only independent distributor with a no China sourcing policy, meaning every part we sell is fully traceable or comes directly from a trusted manufacturer like Air Handler. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to you in 15 minutes or less.
| Actual Depth | 3/4 in |
| Actual Filter Size | 19-3/4 in x 28-3/4 in x 3/4 in |
| Actual Height | 19 3/4 in |
| Actual Width | 28 3/4 in |
| Air Filter Item | Non-Pleated Air Filter |
| Air Flow @ 300 fpm | 1,208 cfm |
| Country of Origin (subject to change) | Multiple |
| Filter Efficiency - Air Filters | 20 % |
| Filter Frame Color | Brown |
| Filters Out | MERV 1-4 Pollen, Dust Mites, Cockroach Debris, Sanding Dust, Spray Paint Dust, Textile Fibers, Carpet Fibers |
| Frame or Header Material | Chipboard |
| Initial Resistance @ 300 fpm | 0.07 in wc |
| Item | Non-Pleated Air Filter |
| Max. Temp. | 150 Degrees F |
| Max. Velocity | 500 fpm |
| Media Area | 4.0 sq ft |
| Media Color | White |
| Media Material | Polyester-Coated Fiberglass |
| Metal Grill | One-Sided |
| Nominal Depth | 1 in |
| Nominal Filter Size | 20x29x1 |
| Nominal Height | 20 in |
| Nominal Width | 29 in |
| Performance Rating | MERV 4 |
| Recommended Final Resistance | 0.5 in wc |
| Removes Particles Down To | Greater than 10.0 microns |
| Standards | UL 900 |
| Style - Air Filters | Panel |
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