Ideal for heavy use in a commercial setting, the Triton shelf-back lavatory faucet features Valvet(R) valves. This model includes a spout, lever handles, a pop-up drain with a 1-1/4" tailpiece and an aerator. Brass construction. Brass valve bodies. Valvet¬Æ valves. Pop-up drain with lift rod and tailpiece. For 5-1/2" (140 mm) centers. Lever handles. 1-1/4" (32 mm) spout. Lower flow aerator options are available. (Please refer to the Kohler Price Book). 0.5 gal/min (1.91 l/min) maximum flow rate [max at 60 psi (4.14 bar)].