16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 2 Pack ac-/-dehumidification-/-humidification This blade also meets FDA

This blade also meets FDA and USDA guidelines so you can be sure your product will be trimmed safely for your consumers

Sensor precision: ±3% at 40% RH and 73˚F (23˚C)

Avoid unnecessary contact with plants after treatment

providing highly accurate results wherever you test

rooting cuttings or drying

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 2 Pack ac-/-dehumidification-/-humidification This blade also meets FDAImportant 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,