16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 1 Pack MH Improved “re-wettability” able to more

Improved “re-wettability” able to more easily increase water concentration in the substrate

57 gallon actual capacity

Optimized for the most demanding floriculture applications

Drop Air is best suited for commercial and industrial applications and is highly recommended for use in greenhouses

broad spectrum disease control and preventative for use on turf

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 1 Pack MH Improved “re-wettability” able to moreImportant 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,