What Carousel 6 Plus and Carousel 12 Plus glassware can be used with Mya 4? Most of the Carousel 6 Plus glassware is compatible with Mya 4, however, there are some exceptions: The smallest flasks, 5 ml (RR99151) and 10 ml (RR99148), the azeotropic flasks and the 170 ml flask cannot be used. The standard Carousel 12 Plus quick-thread glass reaction tubes (RR91080) can be used in Mya 4 – but they are not tall enough to be used for refluxing. A longer quick-thread glass reaction tube has been designed specially to be used with the Mya 4 reflux head. This 200 mm tube is RR40583. Other things to consider when using the Carousel 12 plus tubes is their height, this means that: They cannot be used with the reflux head in position – they clash If the manifold head is in position, you might only be able to fit 3 tubes into the insert