Check the listing for details. 25PK Grantia, Prepared Microscope Slides, 75x25mm - Eisco Labs. Condition: New. Listed at 70.99 USD. 25PK Grantia, Prepared Microscope Slides, 75x25mm - Eisco Labs Classroom pack of 25 prepared slides of a longitudinal section of grantia, a genus of calcareous spongesThe slide is stained to show general structures such as incurrent and radial canalsGreat for biology classrooms to explore structure-function connection as per NGSS standardsEach slide measures 75mm wide and 25mm longSlides come in a polystyrene storage box Classroom pack of 25 prepared microscope slides of a longitudinal section of grantia, a genus of calcareous sponges. The slide is stained to show general structures such as incurrent and radial canals. Great for biology classrooms to explore structure-function connections as per NGSS standards. Slides come in a polystyrene storage box. Each slide measures 75mm (3") wide, 25mm (1") long and 0.06" in height. Expertly prepared, and labeled for easy identification. All materials in Eisco Labs slides are completely inert and sealed in glass. Product Details Brand Eisco Product Type Prepared Slides MPN BS18128-25 Check out my other items.