For proper use, we recommend downloading the original file.The Converted version is intended only for use in the web viewer. In the source file, the following are fully preserved:✔ original scene hierarchy✔ unsimplified materials✔ correct PBR texture maps✔ proper object namingIf you intend to use the asset in a production environment, select the original version.The plastic manhole cover is designed to cover inspection manholes and sumps. Made in non slip polyurethane finish