Air Box 4+ Plus Refill Carbon Filter Replacement CO2 Sensing + Control 75" x 11" Temperature Control

75" x 11" Temperature Control Four Wall Heating

They distribute a fine

Reflective surface: Holds down water temperature under strong lighting

allowing your root zone to absorb minerals more efficiently

While an understanding of all three metrics is ideal

Air Box 4+ Plus Refill Carbon Filter Replacement CO2 Sensing + Control 75" x 11" Temperature ControlSpecial Order Note: Returns for Air Boxes not used are 14 days from the time of delivery. There is a 30% restocking fee and must pay for return shipping. This is the Air Box manufacturers return policy. Refill cartridge for Air Box 4+ Plus. Single Filter. This refill cartridge size is suitable for Airbox 4+. Air Box filters usually last 18 24 months but may vary depending on temperature, moisture and other environmental conditions. (IMPORTANT: Order 1