General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (6 Gallon) lighting_accessories Critical Features: The Active Air

Critical Features: The Active Air Inline Carbon Filters offer a two-stage filtration design

Yet it's small enough to be maneuverable

Battery: 1 x AAA alkaline (included)

Duct Filter Vent Covers: Two covers are included

9V battery as well as a protective carrying case

General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (6 Gallon) lighting_accessories Critical Features: The Active AirArmor Si Silica For Plant Growth Enhancement, Soluble Potash (K2O) 4% 6 Gallon Armor Si, with 4% Soluble Potash (K2O), is a versatile growth enhancer suitable for hydroponics, Coco Coir, and all grow media. Strengthen your plants, improve structure, and boost foliar development. Increase yield and enhance flower and fruit production. Benefits Armor Si is suitable for all types of plants during all stages of growth Use as a growth enhancer with