16x20x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack Travel Bags & Backpacks Inverted nose cone and vertical

Inverted nose cone and vertical pleats for maximum filtered area

it helps manage airflow for lighter buds compared to heavier

The LT1 controller has an intuitive

Garlic Barrier AG+ delivers reliable

Connect to a compatible 0-10V dimmer or controller for precise PPFD adjustment

16x20x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack Travel Bags & Backpacks Inverted nose cone and verticalImportant 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