Replace worn-out or damaged reservoirs, or adapt the capacity of your existing GravityWorks system to meet the needs of any trip. The 2.0L kit includes 2.0L Dirty Reservoir with Quick Disconnect. Unique, dual-layer laminate combines a rugged exterior with a food-grade, taste-free interior. Reservoirs are interchangeable with any GravityWorks system, allowing you to create the capacity you need for any trip. All Platypus hydration products are 100% BPA-, BPS- and phthalate-free, and do not use polycarbonate.