GOOD MATERIAL:This shower system is made of 304 stainless steel and brushed nickel finish ,well resist tarnish and corrosion in daily life.NOTE:when you cannot screw the upper and lower tubes together, try tightening them in a opposite direction. DUAL FUNCTION:This bathroom shower faucet has 8 inch rainfall shower head ,handheld shower sprayer with 1.5m shower hose.Meet your different requirement . ADJUSTABLE HEIGHT :The height of this outdoor shower fixtures could be adjustable between 33.46 inch-47.24 inch (85 cm- 120cm). SHOWER ADAPTER :This outdoor shower kit is single handle design which is easy to control hot and cold water. Ship with adjustable adapter to adjust installation hole distance between 5.24 inch - 6.81 inch (13.3cm-17.3cm). OUR GUARANTY: MOSSON shower system enjoy 30-day return and 10-year warranty.If you have any problem ,please feel free to contact us via email.Whichever replacement part or a new shower fixtures is ok. Outdoor Shower Fixtures Faucet Material: 304 Stainless Steel Finish: Brushed Nickel Mounting: Wall-Mounted /Single handle Top Showerhead: 20cm(8inch) Top Shower Material: 304 Stainless Steel Hole Center(hot and cold water) Distance On The Wall:  5.3inch - 6.6 inch (13.5cm-17cm). Slid Bar Height: Adjustable 33.46 inch-47.24 inch (85 cm- 120 cm). Spray Hose: 150cm(59inch) Maximum Water Flow: 1.25gpm( 4.75L/min) Connection: NPT 1/2 Suggestion: Faucet should be installed 800-1000mm above the floor