20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 4 Pack tubing Frequently Asked Questions

Frequently Asked Questions

Floralife® Transport Paper

which use 0-10v dimming and have the proper RJ14 ports for compatibility

bathing your plants in full-spectrum light

Soil Test is an excellent choice for taking direct conductivity measurements in soil

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 4 Pack tubing Frequently Asked QuestionsImportant 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,