Raytech manual sifting screens. Screens for manually separating parts from media are 14-1/2 inches in diameter by 2-1/2 inches deep (approximately 0.25 cubic feet). They are also useful for separating undersize media from useable media. Made of high impact polymer with integral screen, one-piece molding eliminates problems with parts and media sticking at the joints of two-piece screens. Screens nest for storage. 1/4-inches screen.