_:na522a69034ff47c7915da0791cf4a518xb0
<http://schema.org/description>
"Application: Duct Access, Hydrants & Stop-taps Loading: Grade AAccreditations: BS 5834 Part 2 1985\r\nProduct Features\r\nCover & Frame: Double-Triangular. Ductile iron. Finish: Black bitumen coating. External Dimensions: 408mm x 408mm x 100mm Clear Opening: 300mm x 300mm\r\nPlease note: the brand can change, either Clark Drain or Eccles will be supplied depending on geographical location"
<https://www.drainagesuperstore.co.uk/product/manhole-cover-and-frame-300l-x-300w-x-100h-cast-iron-d400-class.html>