16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack hawthorne 12 mil thick

12 mil thick

Spider Mite Knockout can be used safely on fruits and vegetables up to 3 days before picking

Best results will be achieved by making more frequent applications every 2 to 3 weeks rather than increasing the concentration of the spray solution

With a precise blend of six essential macronutrients and ten vital micronutrients

Technical Specifications Operating Voltage 100-277 VAC Operating Frequency 60 Hz Input Current 5

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack hawthorne 12 mil thickImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 16x20x4 filter