20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 4 Pack Grow Light Reflectors *Use with any other Biobizz

*Use with any other Biobizz products or Try-Packs to maximize crop and minimize costs

Secure Grow offers a unique and affordable way to protect your plantings from many nuisance pests

maximum 80 lights can be daisy-chained through a 0-10V controller

and perlite makes an impressive growing media when mixed with compost or your favorite potting soil

This will significantly increase worm reproduction and speed up soil improvement

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 4 Pack Grow Light Reflectors *Use with any other BiobizzImportant 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,