20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 12 Pleated Plus Carbon 4 Pack lighting-&-electrical-components so you will not introduce

so you will not introduce diseases into the garden or greenhouse

Two square obeservation windows on the front door

Mounting Bracket for 601130 and 601165

The only lighting controllers featuring industrial-grade ballast relays

Color Temperature: 3300k

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 12 Pleated Plus Carbon 4 Pack lighting-&-electrical-components so you will not introduceImportant 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,