As the world’s largest designer and manufacturer of surface-supplied air (SSA) diving systems, we make diving more accessible and enjoyable for everyone—from recreational divers to professionals. Our signature products, including gas-powered and battery-powered systems like the Sea LiON™, deliver a unique tankless experience. Whether you’re diving to explore reefs, clean boat hulls, or just enjoy
underwater adventures, Brownie’s THIRD LUNG systems make it possible to dive with ease and freedom. Our products are backed by decades of expertise and a commitment to providing innovative solutions for divers worldwide. Discover the underwater world in a new way with Brownie’s THIRD LUNG. Dive deeper, stay longer, and experience more—without the weight of traditional scuba gear.