Beaver Latex Neck Seal Size:Standard 3/8" UNF male thread is

3/8" UNF male thread is the standard size used for the majority of 1st stages

Additional colors include: Red

Items will be ready for dispatch/collection in 1-4 weeks

M1 MONEL REGULATOR

When choosing a mask

Beaver Latex Neck Seal Size:Standard 3/8" UNF male thread isMedium weight, extra flexible latex neck seal. To be fitted using Beaver Aquabond or McNett seal cement. Small Size, neck diameter 80mm, suit fixing diameter 254mm. Can be quickly and easily trimmed to a larger size with sharp scissors. Standard Size, neck diameter 89mm, suit fixing diameter 254mm. Can be quickly and easily trimmed to a larger size with sharp scissors.