Netafim 2in Pressure Regulator, 4 springs, 12 psi ThinkGrow Tarantula's proven formula is your

Tarantula's proven formula is your key to unlocking the full potential of your plants

Ceiling clearance is tight there

which results in an Electrical Conductivity (EC) of less than 0

and this one carries twice as many

Netafim 2in Pressure Regulator, 4 springs, 12 psi ThinkGrow Tarantula's proven formula is yourProvides 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.