Westech 3″ In-line Detonation Flame Arrester new $500.00 Westech 3″ In-line Detonation Flame Arrester new Flare Equipment Layne Arthur December 24, 2023 3″ In-line Detonation Flame Arrester with element. Westech Model FW55-3-H-1-01 Never put into service. Paid $20,000.00 Canadian. Open to offers.