Diaodrain manhole for trench drain of outdoor drainage system Mannloch rvs mangat
made by high quality stainless steel sus304;
31.5" external diameter/ 24" interal diameter,8" high
had steel reinforcement inside that can be removed to get in your
space, boilted lock mechanism to make its secure and not everyone
can go inside your openning.
B CLASS: 27500 ib load rateing-vehicle load rate
Audited Supplier 
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