1Beautiful Effective:It adopts special process technology with widened sealing surface of water outlet to ensure close with the sealing gasket of sprinkler95% of shower head can achieve good water sealing effect without teflon tape, so there's no need to worry about the beauty of bathroom will be affected by the residue of teflon tapes2Safe:The pipe is made of marine-grade 304 stainless steel with over twice strength of ordinary brass, good resistance to acid, alkali salt, long-term corrosion resistance to avoid shower head blockage due to rust residues, especially suitable for hard water hot spring water3Bake Paint Finish:Adopt electrostatic adsorption technology, micron-level paint liquid sedimentation processMake the surface stable durable like a car paint4North American Stard: straight shower arm manufactured strictly according to North American stardsBoth male ends with NPT 1/2'-14 (longer end) G1/2' (shorter end) connectors, suitable for most North American families