16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 2 Pack Cone Filler As a growth regulator it

As a growth regulator it will disrupt the insect's life cycle and prevent it from reaching adulthood

Seed diverter and drainage holes help keep seed fresh

This unit features 240V industrial-grade NEMA 6-15 UL-listed power outlets

Ultra-quiet UL-certified USB fans designed to cool various electronics and components

B’Cuzz Bio-NRG coupled with B’cuzz Root and Bloom produces the highest quality hybrid nutrient system on the market

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 2 Pack Cone Filler As a growth regulator itImportant 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,