Botanicare ID White 4 ft x 4 ft Grow Tray HVAC + IRRIGATION The variable-speed controller dials airflow

The variable-speed controller dials airflow and noise to the space

That is the gap this fills

breaking down organic matter and recycling nutrients

Conversely

Botanicare ID White 4 ft x 4 ft Grow Tray HVAC + IRRIGATION The variable-speed controller dials airflowBotanicare 4x4 Inside Dimension White Tray Botanicare trays are manufactured in a variety of sizes to suit a wide range of hydroponic applications and grow substrates. Our white plastic trays are 7" deep with a virgin U. V. resistant cap that wrap a core of 70% recycled plastic. Made in the USA using renewable solar energy. Made with recycled and recyclable materials. BPA free. Botanicare's redesigned white premium ID trays offer professional