20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 1 Pack X Nutrients Grow Spray 1 Gal so they stand up well

so they stand up well to strong winds and heavy harvests

Suitable for fireplaces with space underneath its floor or compartment to install the blower

Many growers prefer CMH lighting because of the power per watt it can deliver as well as the remarkable PAR spectrum that most closely matches the deeply penetrative power of the sun

it is a powerful repellent and anti-feedant and it serves as an Insect Growth Regulator (IGR)

Green Reign™ "Bio-Natural Fertilizers for the Home & Garden" "Crafted To Keep Gardening Fun & Simple & Plants Thriving Naturally"

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 1 Pack X Nutrients Grow Spray 1 Gal so they stand up wellImportant 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,