Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack hydro-x The lock is unique in

The lock is unique in that you can allow the blades to open part way

2 HP total load capacity

Athena Balance adds just enough to the water to create a more homogenous fertilizer solution and reduce the need to pH adjust after mixing

Mix OMRI Listed RootShield Granules in your soil or media before planting to ensure that the developing roots of your new plants are protected against plant pathogenic fungi like:

ERADICATE infestations: spray thoroughly every 3 days

Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack hydro-x The lock is unique inImportant 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 3 8 and 5 1 4 inch depth filters,