Source Replacement Tube - Product Reviews
The lock seals are great, easy to attach to the bladder and accessories and I've had no leakage on them.
Lastly, I really like the mesh overlay, not only is it aesthetically nice, it seems to dissipate the heat from reaching the water that is in the hose. Nothing worse than taking a sip of hot water on a hike in hot weather.
All in all, a very well built product that has lasted me for quite some time now.