16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 2 Pack Cleaning Products Top watering also has the

Top watering also has the advantage of preventing fertilizer salt build up

2 RAW Phosphorus - 8 oz

What also sets these bags apart is the quality materials

Chemboys Ph Up MAX is the Strongest Liquid pH UP on the Market

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 2 Pack Cleaning Products Top watering also has theImportant 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,