CLOSURE UNLANCED SS 20MM , Pack of 144

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Here is the corrected text: Stainless steel cylindrical closures are available in lanced and unlanced formats. The top surface indentations allow for adequate gas exchange under both aerobic and anaerobic conditions. • Prevents dust and microorganism buildup • Reduces specimen evaporation by 50% compared to cotton plugging • Withstands repeated autoclaving without loss of resiliency • Available in plain or lanced formats Lanced closures feature three resilient fingers that adjust to nominal variations in tube O.D. Available options: • Unlanced, Cat. No.: 10200-136, for tube O.D.: 13 mm • Lanced, Cat. No.: 10204-072, for tube O.D.: 13 mm • Lanced, Cat. No.: 10204-070, for tube O.D.: 18 mm • Unlanced, Cat. No.: 10204-068, for tube O.D.: 25 mm • Lanced, Cat. No.: 10204-066, for tube O.D.: 25 mm • Unlanced, Cat. No.: 10200-144, for tube O.D.: 20 mm • Unlanced, Cat. No.: 10200-142, for tube O.D.: 18 mm • Unlanced, Cat. No.: 10200-140, for tube O.D.: 16 mm • Lanced, Cat. No.: 10200-138, for tube O.D.: 20 mm • Lanced, Cat. No.: 10204-074, for tube O.D.: 16 mm