The Durable and lightweight Hydrafusion tube kit by HydraPak has built-in foam insulation, this simple, but breakthrough tube helps keep your water cooler in even the hottest temps. The kit includes a 91 cm TPU tube, Blaster Valve with dust cover, and the Plug-N-Play connector. If you’ve ever had a shot of warm water on a blistering hot day, you know why HydraPak created HydraFusion.