FloraFlex FloraFoam Incubator Plugs 40|40 is a specialized media density and fine cell structure with uniform moisture and hydroponic nutrients throughout the foam media. Boosts both root growth and top growth of seedlings. Ideal air to water ratio for fast germination and rooting.- Sterile media allows for a clean, pathogen and pest free start - Specialized media density allows for fast and easy root penetration

- Roots remain undisturbed during transplant, eliminating plant shock.

- Nutrients absorbed more efficiently with the vigorous root systems

- Fast root development helps achieve maximum scheduling flexibility

- No fertilizer added to allow for total hydroponic nutrition control

- Use with overhead irrigation or sub-irrigation

- Easy to separate cubes.- Compatible with Incubator™ 50 Cell - 40|40 Insert Tray 1.25"