Air-conditioned vest for steel welders – Compressed air cooling, no electricity or refrigerant required

❄️ General Description This air-conditioned welding jacket uses industrial compressed air — without electricity or refrigerant gas. Ideal for shipyards, steel mills, or high-temperature welding shops, it provides immediate and precise cooling. Optimal comfort, intuitive setup, simple manual control: the breathable and reliable solution for demanding professionals. 📐 Technical Specifications Cold Source: Filtered compressed air (compressor not included) Cooling Capacity: Up to 2500 BTU/h (630 kcal/h) — 2800 BTU/h at 100 psi Airflow: Up to 35 SCFM (990 L/min) Thermal Accuracy: ±1 °F (±0.6 °C) under steady conditions Material: Cotton / Oxford Color: Blue Size: Freely adjustable Dimensions: Vortex host: 18.3 × 11 cm; Vest: 52 × 49 cm; Belt: 115 cm 🔧 Installation: Quick and tool-free installation: simply connect the compressed air hose to the vortex host, then secure the vest with the adjustable belt. No electrical connections or software configuration required—ready to use in under a minute. ✅ Operation: Turn on/off as needed. Adjust the output temperature via the manual knob and integrated thermometer. Perfect for hot, humid, or confined environments—metallurgy, forging, glassworks, power plants, sandblasting, or industrial painting. ℹ️ Other information: No maintenance or cleaning of components required. Zero waste, zero energy consumption. Consists of a vortex host, an ergonomic vest, and an adjustable belt. Designed for effective, durable, and quiet personal protection.