Nalgene Silo 48 oz Tritan
White Bottle With Blue Cap Made from HDPE, a super light-weight material perfect for when you’re packing light.
When you need greater capacity, the Silo is the ticket. Guaranteed leak proof. Easily slides into standard packs and backpack side pockets. Durable. Standard 63mm Loop-Top cap. Neck configuration works with most major water purifiers and filters.