Cidex® OPA Concentration Indicator Test Strips, 1 Case of 2 Jobst Opaque 15 20 Thigh Hi 12 W x 34'L x Select Ear:Left Ear 12 W x 34'L x 7 H * A bed positioning wedge contoured to an optimum 30¯ * Provides optimal 30 degree angle of incline for relieving pressure on hipbone and coccyx * Wedge is comfortable and made from convoluted foam * Low Shear II wipe clean outer cover reduces skin damaging friction * Can be disinfected for infection control * Non slip bottom keeps wedge securely in place * Super Soft Convoluted foam surface * Hook and loop closure ASP recommends testing for the minimum effective concentration (MEC) prior to each use To verify the efficacy of CIDEX OPA Solution