Series SUP blocking disk EXH blocking disk JSY1000 JSY11M-40P-1A JSY11M-40P-1A JSY3000 JSY31M-40P-1A JSY31M-40P-2A JSY5000 JSY51M-40P-1A JSY51M-40P-1A Labels for blocking disks These labels can be used to indicate and confirm where on the manifold the SUP/EXH blocking disk assemblies were inserted. (3 labels of each) * If the blocking disk is ordered using the manifold specification sheet