Uxcell 3/4 25mm ID DN20 PVC Straight Water Tank Pipe Connector Joint Blue 2 Count - Walmart.com
1-1/2 PVC Pool Pump Fitting Coupling, 1.5" NPT Male x 1.5" Slip Union Socket Joint Adapter Connector Replacement for Pool Spa Pump - Walmart.com
Amazon.com: Pipe Fittings & Accessories 20pcs 32mm PVC Pipe Connectors Inlet Outlet Joints Aquarium Fish Tank Socket Drainage Joints For Aquatic Pet Water Tank (Color : White, Diameter : Inner Dia 32mm) :