For a 20x20x1 furnace filter, find the filter with the highest MERV rating that explicitly protects against pet dander, mold spores, and smoke. State its MERV rating and the price for a 4-pack.
Navigate to DiscountFilters.com. Under 'Find Air Conditioner or Furnace Filter', select '20"' for 'Short Side'. Select '20"' for 'Long Side'. Select '1"' for 'Thickness'. If a pop-up appears, dismiss it. Click the 'Go' button to view the filter results. On the results page, identify the filter that explicitly lists protection against 'Pet Dander', 'Mold Spores', and 'Smoke' (or 'Tobacco Smoke' / 'Smog') and has the highest MERV rating among such filters. State the MERV rating of this identified filter. State the price for a '4 Pack Selected' of this filter.
Successfully navigate to the 20x20x1 furnace filter product listing page. Identify the '20x20x1 Allergy Prevention Air Filter - MERV 11' as the filter that meets the criteria (highest MERV rating among those protecting against pet dander, mold spores, and smoke). State the MERV rating of the identified filter as '11'. State the price for a 4-pack of the identified filter as '$57.96'.