1- push-in t-connector qst, type- festo qst-12-20, part no.- 130806, tubing od- 12mm,2- push-in t-connector qs, type- festo qs-12-20, part no.- 130690, tubing od- 12mm,3- push-in-fitting qsf-female thread with external hex, push-in fitting with female thread, qsf-1by4-12-b, type- festo qsf-g1by4-12-b, part no.- 190651, female thread g1by4, tubing od- 12mm,4- push-in l-fitting qsl- male thread with external hex, rotable. push-in l-fitting qsl-1by4-12-20, type- festo qsl-r1by4-12-20, part no.- 130734, male thread r1by4, tubing od- 12mm,5- push-in l-fitting qsl- male thread with external hex, rotable. push-in l-fitting qsl-1by2-12-20, type- festo qsl-r1by2-12-20, part no.- 130738, male thread r1by2, tubing od- 12mm,6- reducing nipple, type- festo npfc-r-g34-g12-mf, part no.- 8030313