The GPX 14" Round Double-D handles the conditions the mono coil struggles with: high-salt coastal soils

The 5mm mesh catches material the 10mm screen passes

and beach detectorists using the Multi-Salt mode for wet sand stability

the detector handles it in the background

The Axiom uses Ultra Pulse timings to push past mineralization that would otherwise mask non-ferrous targets

White's O-Ring Control Box Lid Seal - Surf Master PI, Beach Hunter ID parks-fields The GPX 14" Round Double-DKeep your White's metal detector sealed and protected with this essential replacement O ring for the control box lid. Designed specifically for the Surf Master PI Dual Field and Beach Hunter ID models, this precision engineered seal maintains the waterproof integrity that's crucial for beach and surf detecting. Key Benefits Maintains waterproof seal protection for your detector's control box Prevents sand, salt, and moisture damage to internal