We've tested and reviewed products since 1936. Read CR's review of the Honeywell FC40R1003 air filter to find out if it's worth it.

Honeywell Furnace Filters Offer Advanced Filtering Features. Like 3M, Honeywell is another original equipment manufacturer ...

The Honeywell HPA300 is a strong air purifier built to handle large rooms. ... Filters: HEPA filter and activated carbon pre-filter CADR (smoke/dust/pollen): 300/320/300 ...

We've tested and reviewed products since 1936. Read CR's review of the Honeywell Maximum Allergen FPR 10+ air filter to find out if it's worth it.

Honeywell 20x20x4 Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 2-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches) HOMEQUIP ...

I taped a 20-by-20-inch Honeywell FPR 9 filter to a Lasko 20-inch box fan and ran that combo through our standard 35-minute, five-match test in our 200-square-foot New York test space, with the ...