AXIAL S1238D - Dual 120x120x25mm Fan Kit /w Speed Cont grow-light-reflectors The BETA-8 CO2 controller offers

The BETA-8 CO2 controller offers a precision CO2 NDIR sensor / controller in an affordable easy-to-use package

Comes in a heavy-duty

or you can create a custom setup by purchasing individual components

High humidity can also prevent plants from properly taking in CO2

hardened and tempered with highly sharpened Teflon coating for easy clean up

AXIAL S1238D - Dual 120x120x25mm Fan Kit /w Speed Cont grow-light-reflectors The BETA-8 CO2 controller offersHigh airflow fans designed for doorway, wood stoves, room to room, fireplace, and circulation projects Features a fan speed controller so you can optimize the airflow and noise for your application. UL certified fan with dual ball bearings has a lifespan of 67,000 hours. Can be mounted in any direction. Kit includes heavy duty aluminum fans, wire guards, mounting screws, swivel brackets, and power cord. Each Fan 120 x 120 x 38 mm ( 4. 7 x 4. 7 x 1. 5