SMC CQ2B20-PS-XB9 Seal Kit For Cq2 (Xb9) MSRP: Now: $4.95 Was: smc has redesigned the cq2 compact cylinder with a new body, making it possible to mount auto switches on any of the 4 surfaces, depending on the installation conditions. auto switch mounting grooves... CQ2B20-PS-XB9