Reduced threaded union 1/2M x 3/4M SAE air conditioning

Reduced SAE 1/2"x3/4" male-male union for air conditioning installations. Application: Refrigeration and freezing. Maintenance of preservation in hospitality machinery, wine coolers, cold storage room, conservator and domestic, refrigerator, freezer, fridge, display case, secop, danfoss, embraco, aspera, acc, cubigel, tecunsek, hermetic unit, bristol.