Christmas Sales! Air Injection 8 Inch Round Shower Head with 3 Inch Handset Shower Head Combo, ABS in Chrome, Pivots 180 degrees BA2004 Air Injection Technology ensure high-performance shower even at lower flow rates. Increase water velocity and shower spray intensity. Test proofed at different flow rates. Soften the feel of the shower spray by trapping air in stream, meet strict water-saving requirements Maintain water temperature compared to normal shower heads, which tend to lose their warmth. Plastic made, ABS in chrome, rubber spray tips allow easy cleaning.