Growth Science Rock Solid - 1 GAL / 4 L - Case of 4 garden-accessories 3 in | Total Airflow:

3 in | Total Airflow: 104 CFM | Total Noise: 19 dBA | Bearings: Dual Ball

The Vortex Powerfan VTA Series axial in-line fans are ideal to boost airflow

Sturdy design for filtering sediment from water

RoHS compliant

Growth Science Rock Solid - 1 GAL / 4 L - Case of 4 garden-accessories 3 in | Total Airflow:Growth Sciences Rock Solid is a powerful, cost effective bloom booster for the flowering cycle that doubles as a P K booster to provide additional phosphorus and potassium in bloom. Rock Solid also incorporates proprietary plant extracts in this blend to aid in flower site development. These added components facilitate improved overall harvest yields as well as maximized resin and aromatic production. Why use Rock Solid? The secret to Rock Solids