Oatey® Sure-Vent® Air Admittance Valve, 3 x 4 in Nominal, NPT End Style, -40 to 150 deg F, 500 DFU Flow Rate, 2.92 in Inlet to Outlet Length, PVC Body, 7.23 in H, Domestic
| Nominal Size | : | 3 x 4 in |
| End Style | : | NPT |
| Temperature Rating | : | -40 to 150 deg F |
| Flow Rate | : | 500 DFU |
| Inlet to Outlet Length | : | 2.92 in |
| Body Material | : | PVC |
| Dimensions | : | 7.23 in H |
| Domestic/Import | : | Domestic |
Oatey® Sure-Vent® 500 DFU Capacity Air Admittance Valve's one-way valve is designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system.