16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 1 Pack Garden Hygiene and Safety Nutrient lockout can be caused

Nutrient lockout can be caused by several factors in water quality

This dual-channel controller allows daisy chaining up to 100 fixtures per zone

Auto MDI/MDIX

75-inch forged cutting blades and extruded aluminum handles reduces cutting effort while providing precise clean cuts

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 1 Pack Garden Hygiene and Safety Nutrient lockout can be causedImportant 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,