This European Standard specifies safety requirements in order to increase the safety in the use of snorkels for swimmers and divers. This European Standard is applicable to snorkels, which allow users to breathe at the water surface whilst floating with the face submerged. It covers snorkels used by swimmers and divers. This European Standard is not applicable to combined face masks and snorkels, in which the snorkel tube opens into face mask.
EN 1972:2015 history
2015EN 1972:2015 Diving equipment - Snorkels - Requirements and test methods
1997EN 1972:1997 Diving Accessories - Snorkels - Safety Requirements and Test Methods