SMC VV823-03-SUQW03DT-W1 MSRP: Now: $1.00 Was: VSS/VSR? size 1, 2 and 3 are?plug-in, base mounted interface valves conforming to ISO standards. The valve design offers maximum flexibility and is available in either a high flow rubber seal (model... VV823-03-SUQW03DT-W1