Da-Lite Model C 97221 72" Manual Projection ScreenDa Lite Model C 97221 72 inch Manual Projection Screen with CSR The Da Lite Model C 97221 is a dependable manual projection screen engineered for versatility and long term performance in education spaces, conference rooms, and home theaters. Featuring Da Lite's exclusive Controlled Screen Return (CSR), this screen delivers a quiet, controlled retraction that protects the screen surface and housing while maintaining a distraction free environment. With