Simax Test Tubes Without Rim - Simax 3840/24X100/1.2, Plain test tubes without rims. Simax Test Tubes Without Rim, 24mm X 100mm Pack of 50
11.5 m; Shrinkage: 2:1; Green, Yellow; Nominal inside diameter (pre-shrinkage): 3.20 mm
Eisco Laboratory Rubber Stoppers - Eisco CH0314D, A pack of 10 superior quality 18mm solid rubber bungs resistant to acid, alkali and ammonia. Eisco Stopper Rubber, Solid, Bottom 15mm, Top 18mm, Length 24mm - 10Pk