CSN EN 1972

CSN EN 1972 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.