Miller DuraHoist Confined Space 2-Piece Adjustable Upper Mast Multi-Gas 44m) Manhole Collar for use

44m) Manhole Collar for use with 18-in

Mast can be use with any other DuraHoist mounts

One 90° Bend - 1500-2500cfm

1-90 degree bend: 709 CFM

Black ANSI approved hard hat

Miller DuraHoist Confined Space 2-Piece Adjustable Upper Mast Multi-Gas 44m) Manhole Collar for useCompatible with any TWO Lower Mast Extensions, not exceeding a combined 90 inch in height. In other words, this upper mast, unlike the One Piece one, can be used with TWO lower masts as long as the total height of the two lower masts does not exceed 90 inches. Or to put another way, the combined height of the two lower masts cannot exceed 90" in height. For example, the 45" and the 57" lower mast can't be used together. Mast offset adjusts from 12