Miller DuraHoist Confined Space Manhole Collar Cotton Includes a variety of sorbents

Includes a variety of sorbents to handle spills of oils

Swinging hinge points — Allows you to find the most comfortable position on the back of your head

Oral nasal cup reduces fogging and lessens dead air space to improve worker comfort by limiting re-breathing of exhaled air

Exceeds the ANSI Z87

Meets CPAI-84 Standards

Miller DuraHoist Confined Space Manhole Collar Cotton Includes a variety of sorbentsThe Miller DuraHoist manhole collar is designed to easily and quickly mount to manhole collars. Simply slip the collar into manhole, tank hatch, or other opening and then mount you DuraHoist mast. That's all it takes and your ready to go. The DuraHoist collar is available in a variety of sizes: 17. 5 in. (. 44m) Manhole Collar for use with 18 in. to 20 in. 19. 5 in. (. 50m) Manhole Collar for use with 20 in. to 22 in. 21. 5 in. (. 54m) Manhole Collar