These RVFM rubber stoppers with hole are high quality soft rubber bungs with a centre hole, and ideal for the school laboratory to seal a container, such as a bottle or tube.
Ideal for the school laboratory
Size: 24.5mm reducing to 21mm x 28(L)mm
4mm centre hole
Colour is light terracotta and they have a slight rubber odour
Q. Hello, could you please let me know if these (24.5mm) bunds would fit into the 150mm x 24mm test tube with side arm? The product code for the specific test tube is 52-1286, it's the largest side arm test tube with a straight side arm. Thank you.
A. Hi Marc. Thank you for your question. We can confirm that the bungs (52-1046) fit this test tube (52-1286).