Delta 441-DST Collins Single Handle Kitchen Faucet with Spray, Chrome Sleek design with the charm of simplicity The arc of the Collins spout adds clearance for easy filling of pots and pans Features DIAMOND Seal Technology DURAMOUNT Mounting w/ 2-1/2-Inch max deck thickness Flow Rate: 1.80 gpm @ 60 psi, 6.8 L/min @ 414 kPa, Fittings Type: 3/8" compression fittings, Supply Lines: Included InnoFlex Pex-C Supply Lines, Valve Type: DIAMOND Seal Valve Brass