MIG Welding Gun Diffuser; Item Diffuser; Used On Item MIG Welding Gun; Used On Model/Brand MDX-250

Optimized Wire Feeding - Contact Tip is Aligned and Centered with the Liner Lock When the Diffuser is Tightened Creating a Flawless Wire-Feed Path; Reduces Burnbacks, Bird-Nesting and Erratic Arc; Tapered Connection - Tapers Lock the Contact Tip to the Diffuser and the Diffuser to the Neck for Excellent Electrical Conductivity; Quick Replacement - Coarse Thread Speeds Contact Tip Replacement; Cooling Tail - Contact Tip Tail is Cooled Inside the Diffuser by Shielding Gas