16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 4 Pack cloning-&-seed-starting This generator has an Ozone

This generator has an Ozone output of 1

This will help keep your beneficials around without inviting other pests

and don’t leave behind a residue

OxiPhos is formulated with a unique combination of Hydrogen Peroxide and Phosphoric Acid that allows it to work both systemically and on contact

Indoor Cultivator

16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 4 Pack cloning-&-seed-starting This generator has an OzoneImportant 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,