ProductsHome / JB Solutions / Air Vents and Accessories / Air Vents & Accessories Air Vents & Accessories Air Admittance Valve PVC 1-1/2 & 2″ 6 DFU’s with threaded adapter Category: Air Vents and Accessories Description Additional information JBSP6T Weight 1.3 lbs Related products Air Vents & Accessories Air Vents & Accessories Air Vents & Accessories