BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke (Actual Size: 19 11/16’’ x 19 11/16’’ x 3/4‘’)
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Discerning Consumer
> 3 dayThe construction quality of the filters seems to imply that the quality of the filter media can be counted on. The filter media is supported by what appears to be an aluminum mesh mounted within a cross-linked cardboard frame fully self-supporting that fits well in my blower unit.
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Brad
> 3 dayGreat filter at a reasonable price
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Linda D. Schrager
> 3 dayI use these filters in my HVAC unit and find them easy to install and remove. They do the job of keeping my unit clean, free from dust and operating smoothly.
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K. Lamar
12-06-2025I tape the 20 x 20 filter to a 20 box fan, to clean the air in my home. Really helps keep dust down. I dont have a forced air furnace.
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brandywine
> 3 dayThe first filter I put in...buckled in the middle. I didnt notice how bad it was until I went to replace it. I put another one in,..turned on the fan this time so I could observe it. It buckled in the middle almost immediately. Not going to buy these again....just way too flimsy
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Carlos C Araújo
> 3 dayGood value fast shipp
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Samo
> 3 dayHigh filtration at a good price
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Placeholder
> 3 dayBest value out there!
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Birgit Laks
> 3 dayFast shipping, good price! Im glad i found these. No more chasing after them every month!
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Derek J. Punaro
> 3 dayWeve had bad outdoor air quality lately due to wildfire smoke so I swapped in these MERV 13 air filters and set my HVAC system to run the fan 15 minutes every hour. The air quality inside was much better than it was outside.
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| BNX TruFilter MERV 13 American Made High Grade Air Filter 6-PACK (20x20x1in) | BNX TruFilter MERV 8 American Made High Grade Air Filter 6-PACK (20x20x1in) | BNX TruFilter MERV 11 American Made High Grade Air Filter 6-PACK (20x20x1in) | BNX TruFilter MERV 13 American Made High Grade Air Filter 4-PACK (20x20x1in) | BNX TruFilter MERV 8 American Made High Grade Air Filter 4-PACK (20x20x1in) | BNX TruFilter MERV 11 American Made High Grade Air Filter 4-PACK (20x20x1in) | |
| Filter Dimension Size | 20x20x1in | 20x20x1in | 20x20x1in | 20x20x1in | 20x20x1in | 20x20x1in |
| Single Sided Pleat Technology | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Filtration Efficiency | 3-10 um - 93% | 7-10 um - 75% | 7-10 um - 92% | 3-10 um - 93% | 7-10 um - 75% | 7-10 um - 92% |
| MERV Rating | MERV 13 @ 819 CFM | MERV 8 @ 819 CFM | MERV 11 @ 819 CFM | MERV 13 @ 819 CFM | MERV 8 @ 819 CFM | MERV 11 @ 819 CFM |
| Pressure Drop | 0.32 @ 410 CFM | 0.06 @ 410 CFM | 0.09 @ 410 CFM | 0.32 @ 410 CFM | 0.06 @ 410 CFM | 0.09 @ 410 CFM |
| Filters Particles | Pollen, Dust Mites, Pet Dander, Mold Spores, Fireplace Smoke, Virus Carriers, Smoke, Dust, Household Lint, Bacteria, Smog | Pollen, Household Dust, Household Lint, Dust Mites, Pet Dander, Mold Spores | Pollen, Dust Mites, Pet Dander, Mold Spores, Virus Carriers, Smoke, Dust, Bacteria, Smog | Pollen, Dust Mites, Pet Dander, Mold Spores, Fireplace Smoke, Virus Carriers, Smoke, Dust, Household Lint, Bacteria, Smog | Pollen, Household Dust, Household Lint, Dust Mites, Pet Dander, Mold Spores | Pollen, Dust Mites, Pet Dander, Mold Spores, Virus Carriers, Smoke, Dust, Bacteria, Smog |
| Country of Origin | Made in USA | Made in USA | Made in USA | Made in USA | Made in USA | Made in USA |