Double tube bunsen lab burner

Dental labs instrument gas light - double tube This model Suits for Bottled Gas It can rotate 30 degree freely from left or right It works well both for left-handed and right-handed Kindling Tube and Working Tube work separately.Both have their own controlling system It make this gas light save energy and with single-tube and double-tube function Distinguished controlling system ensures the gas light never leak gas during working ,so it is very safe to use.