Fisher Research Labs
Fisher CZ21 Underwater Multi-Frequency Professional Metal Detector
Fisher CZ21 Underwater Multi-Frequency Professional Metal Detector
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Not sure if it’s right for you? Try it risk-free. Returns within 30 days — and if you choose store credit, there’s no restocking fee. See policy →
Fisher CZ21 Underwater Multi-Frequency Metal Detector
Go where the gold is — underwater. The CZ21's multi-frequency technology performs in saltwater, freshwater, and surf. Built for serious underwater hunters who won't let water stop the hunt.
Key Features
- Multi-frequency technology — performs in saltwater, freshwater, and surf
- Fully submersible — built for serious underwater detecting
- Professional-grade performance — trusted by experienced hunters worldwide
- Available in 8" and 10" coil — choose your coverage
- Hand-inspected before it ships
Free shipping on orders over $50. 30-day returns on all unused gear.
Hand-Inspected. Built for the Hunt.
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More Info
In-stock items ship within 3–5 business days. Built-to-order items ship within 3–4 weeks — you'll receive an email with your expected ship date within 48 hours, plus progress updates at each production milestone. Every item is hand-inspected before it leaves our facility in Newport, Oregon. Free shipping on orders over $50. Not satisfied? We offer 30-day returns on unused gear in original condition.