Available in straight and 90° configurations. Designed for 1" and 3/4" tubing. Models 17, 22 & 27 are bright chrome plated, non-corrosive plastic. Straight for 1" I.D. hose Flange size 1-3/4" Cut out 1-5/16"= (00). 90deg for 1" I.D. hose Flange size 2-7/8" Cut out 2"= (10). Straight For 1" I.D. hose Flange size 2-7/8" Cut out 2"= (22). Straight For 3/4" I.D. hose Flange size 2-7/8" Cut out 2"= (27)