Square Manhole Covers And Frames | Manhole Size O.D.: 18" Square, Cover Lay In Or Bolt Down: Bolt Down With Gasket (Water Tight), Skirt Length/Deep: 12" 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: 12" Deep
Square Manhole Covers And Frames | Manhole Size O.D.: 60" Square, Cover Lay In Or Bolt Down: Bolt Down With Gasket (Water Tight), Skirt Length/Deep: 8" Deep
Square Manhole Covers And Frames | Manhole Size O.D.: 18" Square, Cover Lay In Or Bolt Down: Bolt Down With Gasket (Water Tight), Skirt Length/Deep: 12" Deep