Hydrofarm CO2 Regulator (0.2-2 cu ft / hr) with Timer Element Air Stack several and mark the

Stack several and mark the lids in non-permanent marker to keep batches straight

930 µmol/s PPE 2

Universal Liquid-Feed Compatibility: Engineered for seamless performance in all hydroponic setups

White beneficial fungi may form on the plugs when you open the bag

and instructions

Hydrofarm CO2 Regulator (0.2-2 cu ft / hr) with Timer Element Air Stack several and mark theActive Air climate control products are available for a variety of indoor growing applications. Whether fans, CO2 systems, filters, or any other product in the line, they have all been custom engineered for hobby and commercial growers to provide both performance and value. With attractive color packaging that highlight each product's features, Active Air is the name you can trust for your climate control needs. Deliver growth boosting CO2 with our