Product Information Material: 316 Stainless Steel Select a Product Part NumberNominal SizeDN SizeTube OD 16AMP-R050DIN151/2" 16AMP-R075DIN203/4" 16AMP-R125DIN321-1/4" 16AMP-R375DIN103/8" 16AMP-R200DIN2" 16AMP-R150DIN1-1/2" 16AMP-R100DIN1" 16AMP-R250DIN2-1/2" 16AMP-R400DIN4" 16AMP-R300DIN3"