16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack king Simply place the stem of

Simply place the stem of a new cutting into the slit in the insert and watch as it provides support to your plants while still protecting their delicate tissues

ARBICO Organics line of Beneficial Nematodes PRO are OMRI Listed for use in organic production

• Prefilter: Yes

Three year warranty (6 month warranty on the pH probe)

Tarp Zip-Up's tear resistant Peel and Stick Zipper allows the user to create a Zipper Door in any plastic film

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack king Simply place the stem ofImportant 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 16x20x4 filter