20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack Pest and Disease Control 000 Watt eFlex DE Growing

000 Watt eFlex DE Growing System 25¼” x 10½” x 4¾” 15

OxiPhos has a dual mode of action (systemic and contact) and can be applied as a foliar spray

• Patented folding design for easy storage and transportation

The active ingredient in RootShield Granules is a patented fungus

Propagation Chambers – Dial in humidity during cloning and early veg stages

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack Pest and Disease Control 000 Watt eFlex DE GrowingImportant 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,