Disposable Screen for Cuspidor Bowls, Small White, Fits A-Dec Cascade and Perform Cuspidors, 1 5/8" Diam, Box of 25 Screens. 625". Disposable. Overall diameter: 1.625". Cuspidor Screen fits into cuspidor bowls to facilitate filtration. Single-use only to eliminate clean-up time. Compatible with Cascade, Performer, and Adec. Available in two sizes (Large Universal or Small), colors (Gray or White), and packaging options (144 or 25 per pack).