These 16 x 100 mm screw cap test tubes are in crystal clear polystyrene with a traditional round bottom. Each tube has easy to read graduations and a “frosted” white marking area (12x50mm). Packed 100 tubes (with attached caps) per sterile bag, 10 bags per unit.
• Leak-proof screw caps
• White printed graduations
• Sterile bags of 100 tubes
• White marking spot
• round bottom
