20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack reflective-&-greenhouse-films Lightech T5 Single LED Grow

Lightech T5 Single LED Grow Lights are powered by a 28 Watt

The Vortex Powerfan VTM Series is an in-line duct fan specifically designed to maximize the airflow performance with minimal noise levels in a small

Ideal-Air Ducting and Clamps and Titan Controls ventilation controllers

Surge Protection

20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack reflective-&-greenhouse-films Lightech T5 Single LED GrowImportant 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 20x25x4 filter