> If YOU dive in any water cold enough to freeze a MK 20 without > a SPEC kit you (an in-experienced diver) will die... The spec kit > is totally un-needed with the TIB around the base of the piston. > The spec kit is crap for the average diver... dont waste your > time.. I use the SPEC kit on all my SP regulators, and I only dive in tropical waters. It keeps saltwater outside of the spring chamber and greatly reduces corrosion. Aloha, Rich
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