Air Bear 16x25x5 (4 7/8) Replacement 259112-105 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Master Controller this is precisely how plants

this is precisely how plants obtain their nutrients in nature

Weight: 5 lbs

the system is extremely reliable and efficient

elastic closures on both ends help keep sleeves in place with repetitive movements

5-1 ml per gallon of water with every feeding

Air Bear 16x25x5 (4 7/8) Replacement 259112-105 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Master Controller this is precisely how plantsImportant 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 3 8 and 5 1 4 inch depth filters,