Home / Welding Equipment / Welding Accessories / Flashback Arrestors / Flashback Arrestors-Kwik-Connect Flashback Arrestors-Kwik-Connect $107.92 Part Number: 12448 “B” 9/16″-18 threads. Flashback Arrestors-Kwik-Connect quantity Add to cart UPC: 682488124487 Category: Flashback Arrestors Tag: Kwik-Connect Description Description 2 per pack. Related products Reverse Flow Check Valve-1/4″ NPT $31.40 Part Number: 12449Add to Cart