Ultra Faucets UF21143 Transitional Collection Two-Handle Kitchen Faucet with Side-Spray, Stainless Steel Washerless cartridge 3 hole installation with matching side spray 1.8GPM max at 60Psi 4-hole installation with color-matched side-spray Water-efficient faucet reduces overall water usage, NEOPERL aerator 1.8gpm max @ 60psi Brass shank inlet with 1/2" male NPSM connection