Vivosun Black Non-Insulated Flex Air Aluminum Ducting Ducting Size:4 in x 16 ft MINERAL-CALMAG replaces the calcium ions

MINERAL-CALMAG replaces the calcium ions lost through constant irrigation

BULK should be used in the flowering stage to optimize flower production

Upward KF25 vacuum connections provide you safer and easier vacuum tubing connection and removal

sulfuric acid

controls mold & mildew

Vivosun Black Non-Insulated Flex Air Aluminum Ducting Ducting Size:4 in x 16 ft MINERAL-CALMAG replaces the calcium ionsVivosun's Flexible Aluminum Air Ducting is easy to set up and change! Built in steel wire is designed to reinforce ducting and keep its long lasting performance. This wire coil structure maximizes airflow and diminishes CFM loss, ensuring good indoor air quality and thermal comfort in your home or workspace. Includes x2 Stainless Steel Clamps Benefits of Vivosun Ducting Ducting Material: High quality aluminum (High temperature Resistant & Corrosion