Description Specifications Accessories Description Freudenberg Sealing Technologies (formerly Tobul) bladder repair kit for bladder accumulators. Repair kit includes (1) bladder, (1) gas valve & o-ring, (2) oil port body o-ring, and (2) o-ring backup and anti extrusion ring. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Pressure5000 PSIFluid Capacity2.5 GallonsShell MaterialCarbon SteelSeal MaterialNBR Literature & Docs Accessories Freudenberg NOK Sealing Technologies TBRT50-2.5NMFA Bladder Accumulator, Top Repairable, 5000 PSI, 2.5 Gallon, BUNA, SAE-24 Freudenberg NOK Sealing Technologies TBR50-2.5NMFA Bladder Accumulator, 5000 PSI, 2.5 Gallon, BUNA, SAE-24 Freudenberg NOK Sealing Technologies TBRT50-2.5VMFA Bladder Accumulator, Top Repairable, 5000 PSI, 2.5 Gallon, FKM (Viton), SAE-24