"Standard-duty pre-fabricated CM19 reducers (.120Ø) are available in standard configurations with a grid pattern of 2 x 2 and a depth/height of 2 or 4. Standard available widths are 12-8, 8-6, 6-4 and 4-2, each of which is two feet long. Each CM19 drop section includes interconnecting hardware."... Click here for more info on CM19 standard-duty reducer 4 Long 8 to 6 W.
