Netafim 2in Pressure Regulator, 4 springs, 12 psi ThinkGrow For general maintenance

For general maintenance

Ceiling clearance is tight there

5 cubic feet of CO2 per hour at 22

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which is a season of swaps across several jars

Netafim 2in Pressure Regulator, 4 springs, 12 psi ThinkGrow For general maintenanceProvides constant outlet pressure. Sealed regulating unit for each pressure option (except for 3 4" low flow pressure regulator). Easy inline assembly. Female inlet and outlet on low flow model. Female inlet, male outlet in 3 4" high flow model. Built in indicator on 3 4" high flow and larger models shows when proper outlet pressure is achieved.