ProductsHome / JB Solutions / Air Admittance Valves / JBSP50 JBSP50 Air Admittance Valve PCV 1-1/2 & 2″ 20 DFU’s solvent weld” Category: Air Admittance Valves Description Additional information JBSP50 Technical Drawing Weight 2.5 lbs Related products JBSA4MS4 JBSATBOX JBSAF4