Brass Plastic Tubing Insert
1/8 ID x 1/4 OD
Part#: 37390
11/64ID x 1/4OD
Part#: 37391
3/16ID x 5/16OD
Part#: 37392
1/4 ID x 3/8 OD
Part#: 37393
3/8 ID x 1/2 OD
Part#: 37394
1/2 ID x 5/8 OD
Part#: 37395