• New FatSac Fillable Sac
• Any material can be used to fill the Sac such as water, rocks, sand, and metal slugs
• Fillable Sac weighs 50 pounds when filled with water
• It connects to the Supa Pump using the standard W730 fitting
• Another way to fill it fast is plunging the bag under water until full, then capping it
• When done, empty the connects and fold up for storage just like a regular FatSac