20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 4 Pack Water Pumps & Irrigation Supplies About half as thin as

About half as thin as its 12 mil counterpart

EZ CO2 is odor-free produces no heat and is already giving off CO2 as soon as you purchase it there’s nothing to turn on or set up

Some are best for mother rooms

It is best to clean surfaces with this product before protecting it with a disinfectant

We recommend the Super Green LED to be placed a minimum of 4 feet away from your plants

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 4 Pack Water Pumps & Irrigation Supplies About half as thin asImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,