10x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs the opaque black inner layer
Yard notes & kiln story
Description
10x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow System Trays Reservoirs the opaque black inner layer the opaque black inner layer blocks all light which prevents algae buildup in the tubing and helps to keep your system clean are one of the most effective agents for loosening and aerating the soil