The ‘CIRCUITS MOD JACKSN REES-NONREBREATH – 225-3813-300’ is a crucial medical accessory designed for effective respiratory support. These circuits are modified versions of the Jackson Rees model, designed for non-rebreathing applications. Each case contains 20 units, ensuring that you have ample supply for your medical needs. Ideal for healthcare facilities, these circuits are reliable and efficient in providing the necessary support for respiratory functions.