Pay in 4 interest-free payments of $33.75 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
NEW from General Hydroponics
Industrial and Municipal Water Treatment
●【High-efficiency LED grow light】Consuming 480W input power
temperature and calibration guides simultaneously
Patent pending genetics
20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 14 Plus Carbon 2 Pack flowering nutrients NEW from General HydroponicsImportant 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,
