20x25x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack spl_cg New plantings can begin within

New plantings can begin within hours of spraying

This increase in availability of electrons promotes efficient absorption and uptake of nutrients

and promote exceptional growth

Botanicare's pH Up consists of a 29% concentrated potassium hydroxide solution that has an extremely low level of phytotoxicity and does not contain salts or chlorides

Every Gorilla Grow Tent already includes a complimentary height extension kit that gives you the ability to increase your growing height from 7′ to 8′

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack spl_cg New plantings can begin withinImportant 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. If you are replacing a 4 3 8 depth 20x25x4 filter