20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack food-&-water-storage • Reduce oxidative stress/ozone issues

• Reduce oxidative stress/ozone issues

Start with 2ml and slowly increase to 5ml

pH probes specifically

health and production by reconnecting container-grown plants to the Earth's energy

Zyme is a comprehensive enzyme supplement that delivers multiple benefits to your plants during the grow and bloom stages

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack food-&-water-storage • Reduce oxidative stress/ozone issuesImportant 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,