Qorpak PYREX® Round Bottom Boiling Flasks, Short Neck ForumsSign in to Start a DiscussionStart a Discussion Page 1 of 1 Ask a QuestionStart a Post: Qorpak - PYREX® Round Bottom Boiling Flasks, Short NeckSubjectEnter a question about troubleshooting, PM, buying advice and more… Sign in to Submit your DiscussionSubmit your Discussion