20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 15 Plus Carbon 1 Pack spl_dlw growers using CMH fixtures can

growers using CMH fixtures can get these benefits too with the industry’s first and only 315w 10K MH Finishing Lamp

It can be used on a wide variety of plants

Upgrade your Original to the Silver Bullet to benefit from 30% noise reduction thanks to the unique silencer and it's marine-grade Bluetooth speaker will help liven up your trim sessions

Nordic Pure 20x20x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

This technology enables motors to be able to run smoothly at extremely low RPM speeds without generating additional heat or noise

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 15 Plus Carbon 1 Pack spl_dlw growers using CMH fixtures canImportant 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,