Waste Trap

P-Trap: Shaped like the letter ‘P,’ it’s the most common type of trap. Suitable for baths, sinks, and toilets.
S-Trap: Shaped like the letter ‘S,’ it’s used where the waste pipe connects directly to the floor.
U-Trap: As the name suggests, it has a U shape and is usually found in sinks.
Bottle Trap: A more modern trap, used mainly in bathrooms and is more aesthetically pleasing.
HepvO Waterless Trap: A self-sealing valve designed to close the waste connection below a sanitary fixture to prevent the escape of foul air from the waste pipe.