The BH 300 is a top choice of hydration bladders in landscape format. Developed in collaboration with HydraPak^®, the BH300 is compatible with most riding packs. With qualities of being both durable and reliable, this 3 liter bladder is the ideal hydration bladder for multi-day tours. Especially recommended for all Ergon backpacks except the BE-Series and the BP1 Protect.