Is the same pipe used for drainage from a sink, a shower, and a toilet? - Quora
1,254 Under Sink Plumbing Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
Foto Stock Drain pipe or sewer under kitchen sink. Pvc plastic pipe and flexible supply tube connection to stainless steel sink include faucet, trap for drain water and waste in drainage and
Why Does My Kitchen Sink Drain Smell Like a Sewer?