B&K 1-1/4 In. Threaded Schedule 80 PVC Union - Bliffert Lumber and Hardware
1/2" Schedule 80 PVC Coupling Threaded, 830-005
NIBCO 1-1/2 in. PVC DWV Hub x MPT Male Adapter Fitting C4804HD112 - The Home Depot
1/2"~1" Male Thread PVC Pipe Nipple Reducing Connector Aquarium Fish Tank Joint Fittings Hydroponic Planting Frame Joint Parts
uxcell PVC Pipe Fitting Hex Nipple G1-1/2 X G1-1/2 Male Thread Adapter Connector 2pcs - Amazon.com
1/2" 3/4" 1" 1-1/4" 1-1/2" Bsp Male Thread Hex Nipple Union Pvc Pipe Fitting Coupler Adapter Water Connector - Pipe Fittings - AliExpress
LASCO 1-1/2-in Schedule 40 PVC Male Adapter at Lowes.com
Amazon.com: FangKingNo 10pcs 1/2 Inch White 2-Way PVC Male Adapter Pipe Fittings (Socket x Male Pipe Thread) Coupling with 1/2-Inch Male Thread Schedule 40 -10 Pack (0.5 Inch) : Industrial & Scientific
NIBCO 1-1/2 in. PVC DWV Hub x FIPT Female Adapter C4803HD112 - The Home Depot