16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack X Nutrients Ship ETA is of 16th

Ship ETA is of 16th November

Not only does this pack gives you a taste of our amazing grow- and bloom nutrients

Dimmable Control – 100–600W dimming range lets you dial in the perfect intensity for seedlings

Maximum Residue Limits (MRL) and FIFRA 25(b) exempt

• Long shelf life elements

16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack X Nutrients Ship ETA is of 16thImportant 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