PS3100 Series Recess Tray, 750 x 750mm 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 Slotted Head Screws 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 Product Specification Tray Depth: 40mm Overall Depth: 58mm