20x25x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack Air Purification Storage Shelters and even newly

Storage Shelters and even newly planted trees

but Surge more specifically for growing of plants rich in aroma and flavor

rather than 2 pieces welded together

Optimum Conditions: 50-105°F

Wherever bump and scrape head protection is useful

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack Air Purification Storage Shelters and even newlyImportant 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 20x25x4 filter