Netafim™ Pressure Regulator Size:1.5 12 PSI 11 to 35 GPM Roof vent(s) are optional and

Roof vent(s) are optional and can be ordered separately

Uses solar-activated wax that expands to open the vent up to 12 inches

preassembled roof vent

Females will actively seek out aphid colonies so they can lay their eggs among them

They promote healthier

Netafim™ Pressure Regulator Size:1.5 12 PSI 11 to 35 GPM Roof vent(s) are optional andSelect desired pressure and flow rating from drop down list above. Note: Do not use these regulators with FOG systems as full water pressure is required for proper operation. Additional Information Greenhouse Irrigation System Design Basics (Image) More Information on Pressure Regulators (PDF)