20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack Air Filter making your plants healthy and

making your plants healthy and hardy

Clearly marked expiration date and lot number

Night device outlet operates when the lights are off

you just plant the seed balls into the mat's various labeled planting sites and press them into their respective spots

- 1000w super hps

20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack Air Filter making your plants healthy andImportant 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. If you are replacing a 4 3 8 depth 20x20x4 filter