Aqua-Sac Photos Aqua-Sac® flood bags inflate when immersed for 3 minutes. Protect your property from flood emergencies. Aqua-Sac® bags are easy to handle and transport. Building a flood defence wall using Aqua-Sac®. Deploying Aqua-sac® S.O.S. sandless sandbags. Flood defence bags to protect commercial property. Inflatable sandbags deployed on site. Preparing water tank to immerse and inflate Aqua-Sac® bags. Underground deployed sandless sandbags. Aqua-sac® bags stacked on pallet. Aqua-sac® self-inflating flood bags. Aqua-sac® bags deployed during flood emergency.