1pc 20-50mm PVC Pipe Connectors Thicken Fish Tank Pipe Drainage Connector Garden Drain Pipe Adapter Water Supply Pipe Fittings - AliExpress
Advanced Drainage Systems 12 in. Singlewall Split Coupler 1265AA - The Home Depot
ADS 6-in x 6-in Corrugated Snap Coupler Fittings in the Corrugated Drainage Pipe Fittings department at Lowes.com
Proflex Couplings | Fernco - US
Fittings - Fittings - Agri Drain
NDS 4-in PVC Sewer and Drain Coupling in the Sewage Pipe & Fittings department at Lowes.com
Amazon.com: Spray Water Connection 20/25/32/40mm Straight PVC Reducing Connector Garden Farm Greenhouse Water Supply Pipe Coupling Storage Tank Drainage System Connector : Industrial & Scientific
6 - Snap Coupling | Agri Supply
Largest selection of common and unique PVC pipe fittings
Fitting Black Corrugated 4" Coupling Internal
EZ-FLO 1-1/4 Inch Steel Coupling Fitting with Slip Joint Connection for Tubular Drain Applications, Chrome Finish, 35137 - Pipe Fittings - Amazon.com
2" inch push-fit 3-way T connector pvc fitting. Multi-purpose 3 way 90 degree pipe coupling - vent/drain vent/sewer/condensate. Two side rubber push-fit socket. For work above soil. - Amazon.com