16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack X Nutrients Grow Spray 1 Gal Rugged Design allows for years

Rugged Design allows for years of use without calibration

By suspending the nematodes in water and applying to the soil below and around the hive

The Vectorfog H400 SF trolley mounted thermal fogger is ideal for medium size fogging applications and it’s perfect in locations where access to vehicles is limited

Formulated for use on all plants

16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack X Nutrients Grow Spray 1 Gal Rugged Design allows for yearsImportant 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