Rothco 3.0 Liter Replacement Bladder With Bite Valve. 0 Liter Replacement Bladder With Bite Valve measures 18.5" long x 6.72 wide with a 41.5" tube. The hydration bladder will fit Rothco's 3 Liter hydration packs. Specifications for Rothco 3.0 Liter Replacement Bladder With Bite Valve: Manufacturer: Rothco Color: Blue Fabric/Material: Polyurethane Volume: 3 liters Features of Rothco 3.0 Liter Replacement Bladder With Bite Valve Material: Polyurethane Material Specs: polyurethane Package Contents: Rothco 3.0 Liter Replacement Bladder With Bite Valve Rothco 3.0 Liter Replacement Bladder With Bite Valve 2810