4 Row Siroflex Shower Head - Black Increases water pressure Material made from strong LEXAN plastic. Reya Mia handmade soap from Neatitems included with every order Easy to install on any standard 1/2" shower arm. This listing is for a black Siroflex Shower Head that has FOUR rows of jets. Many newer models have three rows which means not as much pressure or volume of water. Our Siroflex Ultra Shower Heads are easy to install, no tool required fitting all standard 1/2" piping. The stainless steel filtering screen included with every shower head catches sediment and sand before it gets inside the head. Great for low water pressure households with proven results. Free small handmade soap in an assorted scent included with every order.