The Original with Stealth Technology single-flush toilet delivers a quiet, powerful flush using only 0.8 gpf, Niagara notes. The company’s Stealth Technology creates a powerful siphon and vacuum assist that requires only one flush to thoroughly evacuate the bowl every time, the company adds. The two-piece toilet is WaterSense certified and has an elongated bowl.

Niagara Conservation. www.niagaracorp.com