The Medinuclear/Marketlab-PF16R-057-10M Perflexion™ Flood Source Co57 is a sealed Cobalt-57 sheet source designed for gamma camera uniformity testing and quality assurance procedures in nuclear medicine departments. Measuring 10.5" x 16" with an activity of 10mCi, it provides consistent and uniform photon emission for accurate system performance evaluation.The Perflexion Flood Source is commonly used for daily and periodic intrinsic or extrinsic uniformity checks of gamma cameras. Its durable encapsulated design ensures safe handling, long-term stability, and dependable performance throughout its usable life.