FangKingNo 10pcs 1" male thread to 1/2" female thread Reducer Bushing PVC Pipe Fittings Male to Female Thread Adaptor Coupling for connecting pipe White (1''x1/2'', 10) - Amazon.com
Charlotte Pipe 1/2-in Schedule 80 PVC Adapter in the PVC Pipe & Fittings department at Lowes.com
Charlotte Pipe Schedule 40 PVC Reducing Bushing, 2 x 1-1/4 In., Male x Female | Killingworth True Value