16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 4 Pack veg nutrients • Compatible with 4" to

• Compatible with 4" to 12"round air ducts

The rechargeable battery lasts for up to 8 hours after a full charge

Certificate: DLC

It can be used in hydroponic systems as simple as manually irrigated containers

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 4 Pack veg nutrients • Compatible with 4" toImportant 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,