20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 4 Pack spl_ps Get your favorite plants into

Get your favorite plants into tissue culture fast

Dark Energy is a select blend of L-amino acids

Fill solution for double junction pH & ORP electrodes

Born in Northern California

no need to reduce the time lights are on

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 4 Pack spl_ps Get your favorite plants intoImportant 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,