Rain shower heads project a "rainfall effect" as opposed to the vertical spray pattern of traditional shower heads. The rainfall spray pattern creates a rejuvenating spa-like experience at home. Rain shower heads are typically oversize and can be mounted to a ceiling or wall. Check out the product with the highest review count, the 9-Spray 4.5 in. Single Wall Mount 1.8 GPM Handheld Rain Shower Head in Chrome.