20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack ventilation/air-conditioning Always use clean & dry

Always use clean & dry measuring instruments when extracting Elite 91 SILICIC ACID from the bottle/container

1-year warranty

humic acid and L-aminos to name a few

The 15 gallon Spring Pot fabric pots is constructed with an internal plastic coated spring that pops up

20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack ventilation/air-conditioning Always use clean & dryImportant 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,