Cidex® OPA Concentration Indicator Test Strips, 1 Bottle Combo Rollators Wheelchairs 8 Inches by 8 Inches E1 3 8 Inches by 8 Inches The ROHO© SELECT Cushion Cover is a textile enclosure intended to protect the cushion * Replacement Covers for the following Cushions: * QUADTRO SELECT© HIGH PROFILE© Cushion * QUADTRO SELECT© MID PROFILE© Cushion * QUADTRO SELECT© LOW PROFILE© Cushion * CONTOUR SELECT© Cushion * This is available in Heavy Duty Cushion Cover a fluid resistant textile enclosure * This product may be suitable for individuals who are using one of the above mentioned cushions * 20 x18 * Warranty: 6 Month Limited Warranty To verify the efficacy of CIDEX OPA Solution ASP recommends testing for the minimum effective concentration (MEC) prior to each use