3/4-inch FPT Manual Anti-Siphon Sprinkler Valves | 51016 Arber Mini-Blocks sit in a tray

Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings

Each pack comes with 10 bags

The term "200 proof" refers to the alcohol's strength

The SuperPonics 8-Plant Hydroponic Grow System Complete grows faster than any single method of hydroponics and more safely due to the fact that there are always two independent hydroponic grow systems operating at the same time

3/4-inch FPT Manual Anti-Siphon Sprinkler Valves | 51016 Arber Mini-Blocks sit in a trayFor controlling the flow of water while also protecting a culinary water system Combines a manual irrigation valve with an atmospheric vacuum breaker Valve features flow control which can be operated by hand or with a sprinkler key Atmospheric vacuum breaker features a reliable poppet and seal design NOTE: The valve is designed to operate continuously at up to 80 PSI for individual zone control. However, the vacuum breaker (anti siphon) component