3" x 6" All Plastic Manhole

3" x 6" Fiberglass Reinforced Nylon Polymer Manhole is ideal for your Soil Vapor Monitoring project. Manufactured to withstand highway traffic loads. Low profile design makes it ideal for sampling indoors. Can be installed through a 4" cored hole. Made in New York, USA. SpecificationsMaterial: FRN - Fiberglass Reinforced Nylon PolymerLid Style: 2 Stainless Steel Screws (0.25” stainless machine screws)Outer Diameter: 3-7/8"Overall Height: 6-5/8"Inner Diameter: 1-7/8" Clear HoleSkirt: 0.125" HDPERating: H-20 Traffic rated, AASHTO H-20/HS-20Wheel Load Capacity: 16,000 lbMade in the USA ApplicationsIdeal for Soil Vapor MonitoringLow profile indoor and outdoor useH-20 Rated for Roadways