Series KQ/KQ2 Uni one-touch fittings use NBR laminated steel gasket for leak-free sealing of chambers on fitting and female thread. They come in nylon, soft nylon, and polyurethane in inch and metric sizes for port sizes of 1/8, 1/4, 3/8, and 1/2 in.
SMC Corp. of America, (317) 899-4650, www.smcusa.com