Aluminum CO2 Cylinder with Handle and Siphon 20lb type-inline-fan It makes up a complete

It makes up a complete 2-part plant nutrient supplement

Product is BPA-free and is made from FDA-approved food-safe materials

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program

The side walls encompass each layer so there's no danger of dropping or loosing any of your yield

Battery backup features saves settings in case of power failure

Aluminum CO2 Cylinder with Handle and Siphon 20lb type-inline-fan It makes up a completeHigh performance CO2 tank. Premium Construction. Brushed finish on thick, durable cylinder walls. Engineered alloy designed for high strength and great low temp performance. Dimensions: 7" diameter x 21" height (with valve and handle). DOT and TC approved, certified or hydro tested within 180 days, new CGA320 valve, consistent tare weight. For industrial, hydroponic, and welding use.