These 15mm diameter Netwell inserts have polyester mesh bottoms attached to polystyrene inserts They are used as tissue carriers, supports and strainers for culture of small organs, tissue slices or explants at the air-media interface Handy carriers are available for immunocytochemical staining of tissue slices (See accessories below) Provides coarse filtration of tissue homogenates, cell suspensions and microcarriers Supplied sterile and pre-loaded in 12-well microplates.