Description
Oatey Sure-Vent 20 DFU Capacity Air Admittance Valve’s one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
Oatey Sure-Vent 20 DFU Capacity Air Admittance Valve’s one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
Oatey Sure-Vent 20 DFU Capacity Air Admittance Valve’s one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system.
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