Please note, this Double Sealed Recessed Manhole Cover and Frame has a brass edge. Description PS3100 Series Recess Tray, 300 x 300mm Clear Opening, F.A.C.T.A Class AAA 2.5T SMPWL & 0.5T SMSWL, when Filled With C25 Concrete. Galvanised to BS EN ISO 1461 after manufacture.  Unit is Double Sealed And Locked With Brass Screws Complete With Brass Edge.  58mm Deep, Medium Duty, Recessed Tray Type Cover for Floor Finish Infill Recessed lids enabling concrete or concrete & floor finish infill Solid steel base plate Keying in bars fitted within lid recess Specially produced matching lid and frame section Brass edge & stainless steel edging available Double rubber sealed and locked as standard Non standard sizes are available Manufactured under an ISO 9001:2000 Quality System Finish: Hot dipped galvanised to BS EN ISO 1461 as standard