Air Box 4 Refill Carbon Filter Replacement Biosafe Systems the case runs 1

the case runs 1

This easy-to-use wettable powder contains a proprietary blend of five Bacillus strains—licheniformis

When used in aeration of growing media

3 mS/cm2 (= the solution EC + the water EC)

Air Box 4 Refill Carbon Filter Replacement Biosafe Systems the case runs 1Special 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. Single Filter This refill cartridge size is suitable for Airbox 4. (IMPORTANT: Order 1 OR 2 OR 3 cartridges as required for your Air Box unit)