20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 10 Pleated Plus Carbon 2 Pack X Nutrients Grow Spray 1 Gal UV Sterilizer Kit - Big

UV Sterilizer Kit - Big Boy - 8 GPM with ballast and wall mounting clips

Permanent Drainage Option – Can be plumbed directly for continuous

Food-grade materials

This carbon adsorbs VOC's (volatile organic compounds) therefore trapping every odor molecule that passes through the filter onto the micro-porous carbon surface

portable vaporizer that functions as both a nectar collector and a concentrate vaporizer

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 10 Pleated Plus Carbon 2 Pack X Nutrients Grow Spray 1 Gal UV Sterilizer Kit - BigImportant 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,