20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 8 Pleated Plus Carbon 2 Pack pots-and-containers The 4 compressed coir sheets

The 4 compressed coir sheets expand to 1 cu ft

and is well-suited for hydroponic reservoirs

Superior engineering ensures consistent intensity and spectral quality

Current: 2 AMP

203 is made up of 100% pure rosemary and clove botanical extracts and is highly water soluble

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 8 Pleated Plus Carbon 2 Pack pots-and-containers The 4 compressed coir sheetsImportant 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,