| Corning® Transwell® polycarbonate membrane inserts | 
                                                                    |  |  | 
                                                                    | 3401 | Corning® Transwell® polycarbonate membrane inserts pore size 0.4 μm, membrane diam. 12 mm, sterile  | 
                                                                    | 3412 | Corning® Transwell® polycarbonate membrane inserts pore size 0.4 μm, membrane diam. 24 mm | 
                                                                    | 3413 | Corning® Transwell® polycarbonate membrane inserts pore size 0.4 μm, membrane diam. 6.5 mm | 
                                                                    | 3402 | Corning® Transwell® polycarbonate membrane inserts pore size 3.0 μm, membrane diam. 12 mm | 
                                                                    | 3414 | Corning® Transwell® polycarbonate membrane inserts pore size 3.0 μm, membrane diam. 24 mm | 
                                                                    | 3415 | Corning® Transwell® polycarbonate membrane inserts pore size 3.0 μm, membrane diam. 6.5 mm | 
                                                                    | 3421 | Corning® Transwell® polycarbonate membrane inserts pore size 5.0 μm, membrane diam. 6.5 mm | 
                                                                    | 3428 | Corning® Transwell® polycarbonate membrane inserts pore size 8.0 μm, membrane diam. 24 mm | 
                                                                    | 3422 | Corning® Transwell® polycarbonate membrane inserts pore size 8.0 μm, membrane diam. 6.5 mm | 
                                                                    | 3458 | Corning® Transwell® polycarbonate membrane inserts pore size 8.0 μm, membrane diam. 6.5 mm | 
                                                                
                                                                    | Corning® Transwell® polyester membrane inserts | 
                                                                    |  | 
                                                                    | 3460 | Corning® Transwell® polyester membrane inserts pore size 0.4 μm, membrane diam. 12 mm | 
                                                                    | 3450 | Corning® Transwell® polyester membrane inserts pore size 0.4 μm, membrane diam. 24 mm | 
                                                                    | 3470 | Corning® Transwell® polyester membrane inserts pore size 0.4 μm, membrane diam. 6.5 mm | 
                                                                    | 3462 | Corning® Transwell® polyester membrane inserts pore size 3.0 μm, membrane diam. 12 mm | 
                                                                    | 3452 | Corning® Transwell® polyester membrane inserts pore size 3.0 μm, membrane diam. 24 mm | 
                                                                    | 3472 | Corning® Transwell® polyester membrane inserts pore size 3.0 μm, membrane diam. 6.5 mm | 
                                                                
                                                                    | Corning® Transwell®-COL collagen-coated membrane inserts | 
                                                                
                                                                    | 3491 | Corning® Transwell®-COL collagen-coated membrane inserts 6 well cluster, pore size 0.4 μm, membrane diam. 24 mm | 
                                                                    | 3492 | Corning® Transwell®-COL collagen-coated membrane inserts 6 well cluster, pore size 3.0 μm, membrane diam. 24 mm | 
                                                                    | 3493 | Corning® Transwell®-COL collagen-coated membrane inserts 12 well cluster, pore size 0.4 μm, membrane diam. 12 mm | 
                                                                    | 3494 | Corning® Transwell®-COL collagen-coated membrane inserts 12 well cluster, pore size 3.0 μm, membrane diam. 12 mm | 
                                                                    | 3495 | Corning® Transwell®-COL collagen-coated membrane inserts 24 well cluster, pore size 0.4 μm, membrane diam. 6.5 mm | 
                                                                    | 3496 | Corning® Transwell®-COL collagen-coated membrane inserts 24 well cluster, pore size 3.0 μm, membrane diam. 6.5 mm |