Square Manhole Covers And Frames | Manhole Size O.D.: 8" Square, Cover Lay In Or Bolt Down: Standard Lay In Style (Through Holes), Skirt Length/Deep: 18" Deep
Square Manhole Covers And Frames | Manhole Size O.D.: 48" Square, Cover Lay In Or Bolt Down: Standard Lay In Style (Through Holes), Skirt Length/Deep: 24" Deep
Square Manhole Covers And Frames | Manhole Size O.D.: 20" Square, Cover Lay In Or Bolt Down: Standard Lay In Style (Through Holes), Skirt Length/Deep: 4" Deep
Square Manhole Covers And Frames | Manhole Size O.D.: 32" Square, Cover Lay In Or Bolt Down: Standard Lay In Style (Through Holes), Skirt Length/Deep: 4" Deep