OUR STAINLESS STEEL FLEX PIPES ARE MADE FROM 409 STAINLESS ON THE INNER TUBE SLEEVES DUE TO THE LACK OF EXPANSION 304 STAINLESS HAS THEREFORE PREVENTING THE INNER LINER TO NOT LOCK INTO PLACE WHEN HEATED
THE CORRUGATED EXTERIOR (RIPPLED MATERIAL) IS MADE OF 304 STAINLESS FOR FLEXABILITY AND DURABILITY. THERE IS NO WIRES ON THE INSIDE TO COME APART
THE WIRED INNER AND OUTER CORES OF THOSE FLEX'S USE ALUMINIZED STEEL ENDS AND ARE NOT A FULLY 100% STAINLESS FLEX COUPLER
OURS ON THE OTHERHAND ARE MADE OF 100% STAINLESS COMPONANTS