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ThermoFlo™ SRB Series Ducting is an industrial-quality insulated flexible air duct manufactured tough for consumer and installer peace of mind. It features high-standard c-ETL-us / Can / ULC-S110-M86 / UL 181 approved cores. The SRB Series ducting consists of a three-ply polyester laminate, fiberglass reinforced scrim, and galvanized spring steel wire wrapped with fiberglass insulation which provides an outstanding combination of strength and tear resistance. The insulation reduces heat loss and condensation while a heavy-duty fire-retardant black polyethylene vapor barrier adds extra durability. Made in Canada, this 25-foot (7.6-meter) ducting is available in a variety of sizes and custom lengths can be special ordered. The ducting is marked approximately every foot and is easy to install with instructions included in each case.
Super Sprouter® AirMax™ Tray Inserts help provide outstanding drainage and aeration to clones grown in Grodan Stonewool A-OK Starter Plugs™. These mesh tray inserts are designed to allow high levels of oxygen to enter the root zone in your clone trays. More oxygen at the roots can help maximize root growth and help minimize damping-off in young clones and seedlings. By elevating plants above the propagation tray’s bottom surface, the AirMax™ allows excess water to run off and holds plants above standing water. This helps to avoid oversaturated roots and promote proper drainage and airflow. Its low profile provides clear visibility to root development and unrestricted access to cuttings for proper care and monitoring, without disturbing delicate plants.
