Case Price. Case Pack 12.Featuring Air Injection technology for a strong and yet smooth shower experience. • Features Dual Force™ Technology that enhances water velocity. • 4 functions: wide, centerjet, aeration and wide + centerjet. • Boxed. • Brass ball joint with polymer shell. • Easy-Glide™ selector ring for effortless, smooth adjustment. • Optimizes water intensity even at low pressure. • Uses 20% less water than a standard showerhead. • Maximum flow rate 2.0 gpm @ 80 psi.