Silicone Tubing 1/8". Silicone Tubing is specifically formulated for use with media found in pharmaceutical and biotech processing. Ideal for a range of performance requirements, extended life pumping and in applications demanding ultimate purity in fluid transfer and peristaltic pump. Peroxide silcone tubingod: 1/8 (3.2Mm)id: 1/16" (1.6Mm)wall: 1/32" (0.8Mm)max. Pressure @ 70°c: 15packed 25' roll. Size:1/8” x 25'