The Klean Kanteen KCPPS-GN fits the following water bottles:
The Klean Kanteen - Green Sport Cap 3.0 - KCPPS-GN is a replacement cap for all size Klean Kanteen Classic water bottles with a distinctive green finish. The Klean Kanteen Sports Cap is constructed with BPA-free polypropylene for durability and is dishwasher safe. The Sports Cap 3.0 has a reformulated spout that makes it much stronger than the original while offering a higher flow rate.
Klean Kanteen - Green Sport Cap 3.0 - KCPPS-GN specifications: