EISCO BI0506 Ecological Inspection Metal Frame Quadrat, Heavy Duty - 19.75" x 19.75 " with 25 Equal squares ( Approx. 3.5" ) Heavy Duty, metal frame coated to resist rust. Easy to Clean. Quadrats are used for ecological study of an area, to count bugs, plants, and explore different kinds of minerals. * Frame measures 19.5" by 19.5". Each square measures approximately 3.5" by 3.5" * Heavy duty, metal frame resists rusting * Easy to clean * Great for ecological study of an area, for counting specimens, plants and different minerals * Perfect for classroom experiments and study https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2024-11-12 https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2025-04-07 https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2025-05-25 https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2025-08-11 https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2026-05-07 https://elecena.pl/product/27244212/eisco-bi0506-ecological-inspection-metal-frame-quadrat-heavy-duty 2026-07-13