16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 1 Pack microbes Equipped with the same technology

Equipped with the same technology as Vectorfog’s flagship fogger

The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing

Package Dimensions:                        85mm(L) x 80mm(W) x 90mm(H)

Includes LCD screen hand-held programmable remote controller

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 1 Pack microbes Equipped with the same technologyImportant 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,