Plankton SievesTechnical Specifications: Construction: Heavy duty, thick plastic. Modular Design: Engineered for maximum versatility, the frame snaps apart and together easily. This allows for deep cleaning, sanitization, and simple mesh replacement. You can easily replace worn mesh with the same size or swap it out for a specific micron size to suit your evolving hatchery needs. Total Length: 24 cm Outside Diameter: 14. 5 cm Inner Net Diameter: 11 cm Net Depth: 6