16x20x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack double-ended Shipping Weight - 16LBS

Shipping Weight - 16LBS

and the rounded square shape makes these great for stacking large quantities

Red light 660nm

Garden tip: Start with Open Sesame in the fifth or sixth week of a plant’s life

Digital Calibration (push button) to any point within the meter's range

16x20x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack double-ended Shipping Weight - 16LBSImportant 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