Shop the 21-E/001 Electrode for Wall Cavities, a professional probe featuring Teflon insulated pins providing up to 6 inches of deep penetration. Engineered for precise testing of building insulation behind drywall, stucco, and roofing materials, this durable probe ensures dependable results for contractors. Visit our product page to find ideal diagnostic tools for your inspection needs and upgrade your testing toolkit with high-performance equipment.
| Behind-wall probe: designed for cavity testing Teflon insulated pins: prevent false readings Up to 6 inch penetration: for deep material checks Tests wall insulation: behind drywall and stucco Compatible with roofing: material testing needs | Model 21-E/001: for professional inspections Reliable detection: for moisture and insulation Durable construction: for heavy site use Precise pin design: for accurate depth reach Essential tool: for building diagnostics |