446-074 - 446-074 - 1/2" x 3/4" PVC Sch. 40 Male x Female Adapter
DURA 1 in. Schedule 40 PVC Female Adapter C435-010 - The Home Depot
Amazon.com: FangKingNo 10pcs 0.5Inch female to female threaded PVC Fittings pipe fitting Female Coupling (Female x Female Pipe Thread) Coupler Connector White (1/2") : Industrial & Scientific
446-053 - 446-053 - 3/8" x 1/2" PVC Sch. 40 Male x Female Adapter
Charlotte Pipe 1-1/2 in. PVC Schedule 40 Female S x FPT Adapter PVC021011400HD - The Home Depot
Amazon.com: FangKingNo 10pcs 1/2" to 1" PVC Reducing Female to Female Threaded Coupling for PVC PIPE Pressure Fittings ,PVC Reducer Female Adapter for PVC PIPE Connector White (1 Inch to 1/2 Inch) :