Mig Insulators & Diffusers Showing all 4 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sale! Gas Diffuser, Brass, 250 A, For Best Welds®, Tweco® Style No 2 MIG Gun $41.12 Original price was: $41.12.$12.34Current price is: $12.34. Add to cart Sale! Gas Diffuser, Brass, For Miller® Style M15 MIG Gun $8.79 Original price was: $8.79.$2.64Current price is: $2.64. Add to cart Sale! Insulator, Slide on Nozzle, 250 A, For Best Welds®, Tweco® Style No 2 $14.70 Original price was: $14.70.$4.41Current price is: $4.41. Add to cart Sale! MIG Gun Nozzle Retainer and Diffuser, Brass, 400 A, For Best Welds® Tw $4.17 Original price was: $4.17.$1.25Current price is: $1.25. Add to cart