Keep an extra drinking tube on hand with the CamelBak® Crux Replacement Tube. Designed to fit the Crux™ reservoirs, it has a larger diameter for more water per sip. FEATURES: Fits the Crux™ reservoirs Features a larger diameter, which offers 20% more water in every sip Hydroguard™ technology prevents the growth of bacteria BPA, BPS, BPF Free Length: 39” Weight: 1.5 oz.