Datasheet:
Designed for applications involving frequent set-ups over similarly-sized access openings. Simply slip collar into sewer manhole, tank hatch or other opening.
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 for use with 22-in. to 24-in.
23.5-in. (.60m) Manhole Collar for use with 24-in. to 26-in.
25.5-in. (.65m) Manhole Collar for use with 26-in. to 28-in.
27.5-in. (.70m) Manhole Collar for use with 28-in. to 30-in.
