Netafim 1 1/2in Pressure Regulator 20 psi CO2 Tubing Compatible legacy fixtures (5-pin side):

Compatible legacy fixtures (5-pin side): Gavita Pro RS 1900e

Dramm Air Powered Foamer50 Gallon Tank with 25 ft

Tumbler Diameter: 3 x 6

plug and grow package

Place the adapter before energizing the host equipment so you can verify the receptacle voltage with a meter

Netafim 1 1/2in Pressure Regulator 20 psi CO2 Tubing Compatible legacy fixtures (5-pin side):Provides 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.