Miller DuraHoist Manhole Collar
The Miller DuraHoist Manhole Collars are designed for applications involving frequent setups over similarly sized access openings. Simply slip collar into sewer manhole, tank hatch ot other openings. Lightweight, powder-coated aluminum construction for portablility. Includes PVC sleeve liner.
Optional Sizes:
17.5" Manhole Collar for use with 18" - 20" diameter manways.
19.5" Manhole Collar for use with 20" - 22" diameter manways.
21.5" Manhole Collar for use with 22" - 24" diameter manways.
23.5" Manhole Collar for use with 24" - 26" diameter manways.
25.5" Manhole Collar for use with 26" - 28" diameter manways.
27.5" Manhole Collar for use with 28" - 30" diameter manways.
Note: Measurements are taken from the inside of the manhole.


