Tenders for Supply of Set Of Flash Back Arrester Consisting Of 04 Items. 1- Flash Back Arrester Of Torch Mounted Which Come In Pair Of Both Oxygen & Lpg Brand/Make-Esab/Messer/L&T Or Similar Qty/Set-1 Pair. 2-Flash Back Arrester Regulator End - Oxygen & Lpg With Filter Non Return Valve Flame Arrester Brand/Make- Esab/Messer/L&T Or Similar. Qty/Set-1 Pair