Tyvek® IsoClean® IC 689B WS Hood w. integrated mask Hood with integrated mask and ties for adjustable fit in the chest area. Gamma-sterilized and double bagged. Aseptically folded. Hood: Bound internal seams. Bound face opening. White. Cleanroom-mask: Pleated Polyethylene outer. 17,5 cm. Blue. Available sizes: one size For cleanrooms up to ISO 5, GMP A/B STERILE ONLY.