20x25x4 (3 5/8) Pleated MERV 10 Air Filters 6 Pack cloning-&-seed-starting and adverse weather conditions that

and adverse weather conditions that can prematurely end your growing season

MERV 10 furnace air condition filters are comparable to HVAC filters with the rating of MPR 900-1000

Requirements: Water: 15-20 GM

4 18 18 12 HGDRRDPH15 Commercial Dirt Pot by RediRoot #15 with handles

Multifaceted design provides superior light uniformity

20x25x4 (3 5/8) Pleated MERV 10 Air Filters 6 Pack cloning-&-seed-starting and adverse weather conditions thatImportant 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