Clear Sided 50ml Tube WarmerDescription Our larger sized fluid warming block, with clear sides for easy identification of fluid levels, colour and flow, which are also removable to enable cleaning and maintenance inside the recess Features Tube warmer fits 4 test tubes of 50ml. The temperature is easy to change which allows easier operations. The sides of the tube warmer are removable for easy cleaning and observation of liquid levels The aluminum block covers 2 3 of the tube