James StrayDog on Instagram: "Installing XR3 fittings on @gastite_us FlashShield+ is fast and simple. The unique bushing/split ring provides the most secure connection I have ever used on CSST, and the double wall flare created as they seal during compression is as reliable as they come. Although everything looks relatively simple, I cannot stress enough the importance of becoming a certified installer. Check out the link below and become a certified installer today! Gastite.com #gas #gasfitter