Morrison Bros 318L–4400 AMC is a 44” x 10” Lightweight Manhole with Lay-In Cover & Gasket. It is encapsulated in a new high performance material. The Morrison engineered laminate has been encapsulated with long life, tougher than a bedliner, polyurea elastomer, built for moisture protection and chemical resistance.

Features

• Durable and lightweight
• Heavy-duty handle acts as a lift lug
• Stainless steel pry plate
• Anchor lugs secure skirt and ring in concrete
• High strength elastic protective coating… 3X stronger than standard truck bed liner! ° Even at low temperatures.
• Meets H-20 load rating
• Exceptional barrier against moisture and chemicals
• Strong surface adhesion characteristics—won’t peel or separate
• Slip-resistant surface
• Extended service life
• Materials of Construction:
  Handle/lift-lug combination: stainless steel
  Pry plate: stainless steel
  Ring set: 3/16” steel angle iron
  Skirt: 12 gauge steel
  Cam assemblies: Nylon and stainless steel
  Gasket: Polyisoprene rubber