Mares Guardian Ergotrim BCD 3/8" Regulator Hoses The IST Tank O-Ring Keychain

The IST Tank O-Ring Keychain is a handy little o-ring keeper that looks like a diving cylinder and incorporates a dry chamber for spare o-rings

50% or 25%)

Maximum working pressure is 300 BAR (4350 psi)

Works exceptionally well with Fourth Element Baselayer

Mares Guardian Ergotrim BCD 3/8" Regulator Hoses The IST Tank O-Ring KeychainThe new Mares Guardian Ergo Trim BCD is an excellent choice for beginners, advanced divers and dive professionals looking for a very comfortable, highly adjustable traditional style BCD. The new Mares BCD, with its Airtrim 2. 0 Technology, offers a pneumatic inflation and deflation system for quick and efficient buoyancy control. The side pockets are made in elastic Supratex material, offering the best elasticity and resistance and adding comfort and