20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack reflectors and grow lights • Improves balance between respiration

• Improves balance between respiration and photosynthesis

but once it does it kills and eliminates all life stages by:

mammals and omnivores requiring high protein

Max Input Current:                                0

Dimensions: 1

20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack reflectors and grow lights • Improves balance between respirationImportant 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