
From an idea to saving lives
Larry Williamson was just a scuba diver on his first night dive when tragedy struck. Out of air at 140′, with no back-up air system, and his buddy was too far away. He panicked for a moment and began racing to the surface. His last thought was “If I only had one more breath of air.” He blacked out near the surface. Luckily the dive boat plucked him out of the water just in time.

The following is a partial list of the many true-life letters we have received over the years about people and their experience with HEED and Spare Air units.
Two of our best testimonials are simply the number of units sold (over 400,000 since 1979), and the number of clients who have placed HEED 3/Spare Air in their government agency, NGO or business.
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