16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack Tubing N-P-K of Hydro Nutrition Component

N-P-K of Hydro Nutrition Component B: 1-5-6 (w/v)

Net Weight: 21

1 × 4” Carbon filter

Sweet Citrus meets the metabolic demands of plants throughout their life cycle by providing vital compounds when the plants need them most

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack Tubing N-P-K of Hydro Nutrition ComponentImportant 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,