Cat. GG-18- Fibronectin: 18mm diameter, #1 thickness, 60 pieces of CE certified crystal clear German glass coverslips with bovine Fibronectin coating over PDL layer on both sides of coverslips for cell culture and confocal fluorescence microscopy, sealed 15 pieces per bag x 4 = 60, sterilized, ready to use, fitting into 12 well plates, used for difficult primary cell cultures. Similar coverslips: GG-18-1.5-fibronectin,  which is better for confocal imaging.