MHR 411 - City of Philadelphia heavy duty manhole frame and cover. Gray iron meets or exceeds ASTM A48, Class 30B. Other grades of gray iron available upon request. Suitable for H-20 loading. Finish is uncoated. Provided with 2 non-penetrating pickholes unless otherwise requested.

Quantity [_____] Options include:
Lettering Set-up [ ]
Gasketing:  1/4" O-Ring [ ] 
Vented [ ]  Rectangular Lift Holes, 2 (two) [ ]
Lift Handles:  2 Drop Type [ ]  2 Cast-In [ ]
Anchor Bolt Holes:  2 [ ]  4 [ ]