Mares R2S First Stage RegulatorMares R2S First Stage Simple, Reliable, and Built for Everyday Diving The Mares R2S First Stage is designed for divers who value reliability, simplicity, and low maintenance performance. Compact and durable, this piston first stage delivers smooth, consistent airflow making it the perfect choice for recreational divers, dive schools, and travel setups. Simple Piston Design Robust and efficient for easy maintenance and long term reliability. Stable
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