Small Diameter Manholes

Protect permanent and semi-permanent environmental monitoring points with our wide array of small diameter manholes. These compact access enclosures provide surface protection for soil vapor implants, vapor monitoring points, small-diameter wells, and other subsurface environmental installations while keeping sampling equipment accessible for future monitoring. Read more ยป

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Manhole, 3" x 6" Plastic

MM3-6P
3-7/8" OD x 6-5/8" Height
(H-20 Traffic Rated)
$36.95

Manhole, 4" x 8" Plastic

MM4-8P
5-1/8" OD x 8-3/4" Height
(H-20 Traffic Rated)
$39.95

Manhole, 5" x 7" Steel Skirt

MM5-7M-ESP
5.8" OD, 2.75" Clear Hole ID, 8.25" Height
(H-20 Traffic Rated)
$47.95

Manhole, 6" x 7.5" Steel Skirt

MME6-7M
6.7" OD, 4.5" Clear Hole ID, 7.5" Height
(H-20 Traffic Rated)
$54.95

Manhole, 2" x 6" Aluminum

MMA2-6
3-3/8" OD x 6" Height
(H-20 Traffic Rated)
$30.95

Manhole, 3" x 7" Aluminum

MMA3-7
3-7/8" OD x 7-3/8" Height
(H-20 Traffic Rated)
$34.95

Manhole, 4" x 10" Aluminum

MMA4-10
5" OD x 9-3/4" Height
(H-20 Traffic Rated)
$40.95

Alucast Manhole, 8" x 12" Aluminum

MMA8-12
9.65" OD x 12" Height
(H-20 Traffic Rated)
$109.95