20x25x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack complete-systems Made of anti-corrosive and rust-proof

Made of anti-corrosive and rust-proof materials

Temperature resolution is 0

Optimum light for healthy plants

Caution should be taken when using close to desired plants

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack complete-systems Made of anti-corrosive and rust-proofImportant 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