Amazon.com: 3/4 Inch Standard Condensate Trap with Cleaning Brush, PVC U Trap for HVAC Systems, Air Conditioner, Effectively Drains Condensate (1 Pack) : Everything Else
DN80 x DN50 DWV PVC-U Adjustable Floor Waste Gully P Trap SWJ
NIBCO 1-1/2 in. PVC DWV Hub x Hub P-Trap with Union Joint C4895HD112 - The Home Depot
How to Size U-Trap - AS/NZS 3666.1 - Practical HVAC