16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Liquid & Weight Measuring Whitefly and other plant leaf

Whitefly and other plant leaf and soil insect parasites

Maximum Residue Limits (MRL) and FIFRA 25(b) exempt

Save money on your electric bill with this 27-watt bulb

Bountea developed Bountea Liquid Bloom to insure the highest yields on indoor and greenhouse crop production

favored by thousands of horticulturists—but with the added feature of curved blade tips

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Liquid & Weight Measuring Whitefly and other plant leafImportant 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