20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack food-&-water-storage these trays come in a

these trays come in a wide range of lengths so you can customize your system for your setup

pH probes specifically

Suggested Uses: To stimulate healthy plant growth and boost plant immune health on all plants grown indoors or outdoors

health and production by reconnecting container-grown plants to the Earth's energy

Xtrasun II Wing Reflector features:

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack food-&-water-storage these trays come in aImportant 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,