Super Soaker Max Infusion Backpack Water Supply When you're in the thick of a water battle, every drop counts! The MAX INFUSION BACKPACK wearable water supply multiplies your blasting potential with a 100-ounce capacity! Gain a competitive edge that will leave your opponents dripping in defeat! While they're off refilling their blasters, you'll still be going strong! Attaches to any MAX INFUSION blaster (sold separately).