FATSAC 1” Barbed End – w/Suction Stopping Technology-Sac Valve Threads w/O-Rings f/Auto Ballast Systems Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button... FATSAC 1” Barbed End – w/Suction Stopping Technology-Sac Valve Threads w/O-Rings f/Auto Ballast Systems Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button...