Air Box 4+ Plus Refill Carbon Filter Replacement MrCool Mini Split Air Conditioners your crops will thrive with

your crops will thrive with an efficient and complete nutrient uptake

making it a reliable choice for organic growers seeking a sustainable

allowing for unparalleled precision in moisture control

VEG+BLOOM DIRTY

Heavy 16 is committed to this artisanal approach to quality nutrient production

Air Box 4+ Plus Refill Carbon Filter Replacement MrCool Mini Split Air Conditioners your crops will thrive withSpecial 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