Pressure-Relief Valves for Cryogenic Liquids Select Pressure:450 PSI Eco-Conscious Formula: Safe around plants

Eco-Conscious Formula: Safe around plants and animals when used as directed

Granulated rockwool as potting mix: When you use granulated rockwool to pot up your plants

Controller Compatibility: This product features RJ14 port making it compatible with all types of controllers

5 ml to 35 ml per gallon]

They include a highly precise speed control unit that can be detached from the fan and power cord if desired

Pressure-Relief Valves for Cryogenic Liquids Select Pressure:450 PSI Eco-Conscious Formula: Safe around plantsPressure Relief Valves for Cryogenic Liquids Valve Function Pressure Relief For Use With Liquid Carbon Dioxide, Liquid Nitrogen, Liquid Oxygen Activation Pressure Driven Inlet Pipe Size 1 4 Connection Type Pipe Pipe Connection Type Threaded Connection NPT Male Location Bottom Maximum Pressure 600 psi Relief Port Thread Size 3 4" 20 Connection Type Pipe Pipe Connection Type Threaded Connection UNEF Female Location Top Set Pressure Accuracy 5% Set