BBC Biochemical Trans Pak™ Prefilled Formalin Container, 1 Box of 24 Instrument and Solution Stands refreshes and helps protect your Style:1 Pair (Left & Right) refreshes and helps protect your mouth from problems due to dry mouth Attractive lightweight aluminum frame Sure lever release folding mechanism allows users to close the walker without removing their hands from the walker handle Each side operates independently to allow easy movement through narrow spaces and greater stability while standing Front cross brace near top of walker allows for full stride Adjustable height settings Vinyl contoured hand grip for added comfort and long lasting wear Folds flat for transport and storage HCPCS* Code: E0135 (without wheels) Each bottle has a medical information label for clinical use BBC Biochemical's Trans Pak specimen containers come pre filled with 10% neutral buffered formalin (NBF)