Airbox Refill Cartridge 1-2-3 500 Watt CMH Grow Lights Digital Hydrometer/Temperature Gauge

Digital Hydrometer/Temperature Gauge

All stainless steel internal tubing & compression fittings provides higher ultimate vacuum

Competitors don't have these spacers

AeroLight Wing provides the ideal amount of light for all stages of growth

unlike a constructed garden bed

Airbox Refill Cartridge 1-2-3 500 Watt CMH Grow Lights Digital Hydrometer/Temperature GaugeRefill cartridge for Air Box Air Filter Stealth 1 2 3 4 4+, fits these three models. Single Filter. This refill cartridge size is suitable for Airbox 1, Airbox 2 and Airbox 3, Airbox 4, and Airbox 4+. (IMPORTANT: Order 1 OR 2 OR 3 OR 4 OR 4 Plus cartridges as required for your Air Box unit)