Simport B721 Test Tube, False Bottom, 2.5 ml, 4-Inch Threaded (Pack of 1000) : Amazon.de: Business, Industry & Science
False-bottom Tubes - Buy PP material non-breakable, with screw or plunge cap Transparent design for easy viewing of sample Product on Citotest Labware Manufacturing Co.,Ltd
13 mm false bottom tubes: 13 mm false bottom tubes