16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 1 Pack Garden Hygiene and Safety For growers looking to give

For growers looking to give their plants maximum light intensity and a broader spectral diet for optimal plant health and full genetic expression

Replaceable double junction pH probe included

Nutrient lockout can be caused by several factors in water quality

Includes LCD screen hand-held programmable remote controller

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 1 Pack Garden Hygiene and Safety For growers looking to giveImportant 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,