20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack water-pumps-&-irrigation-supplies Can be used around pets

Can be used around pets and wildlife

Zenport QZ407 Rotating Professional Pruner

greater load capacity and higher accuracy

and they do not bear the risk of cracking or breaking like plastic panels

Compatible with all hydroponics and fertigation systems

20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack water-pumps-&-irrigation-supplies Can be used around petsImportant 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 20x20x4 filter