Metricide Opa Plus High Level Disinfectant: 4 Count, 1 gallon, Bottle Home Aids Fold Down Removable Back Rest (Unscrews Fold Down Removable Back Rest (Unscrews Into Two Pieces and Folds Down or Can Be Removed) Offset left means bag port points "left" when worn on either leg and Polio Virus Type 1 in 5 minutes @ 25°C Provides up to 40% more reprocessing cycles in an AER than other OPA brands Compatible with most medical device materials Test strips provide 33% faster readings compared to other OPA test strips Designed for use with both manual and automated endoscope reprocessors (AER) Features: Effective against Tuberculosis