Where to Buy

sponsored links
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.

Manufacturer's Description

SmarTube cap for 37 mm Nalgene narrow mouth bottles and U.S. military and other canteens.

Retailers' Descriptions

Here's what other sites are saying:

Description of SmarTube Cap 37mmThe SmarTube is a drinking system (hydration system), comprised of a drinking tube that fits any standard water bottle. Using SmarTube you eliminate the need to buy a hydration system with a water bladder. Instead you use a standard water bottle you can find anywhere and it's always clean. It's so clear.Features:SmarTube cap for 37 mm Nalgene narrow mouth bottles, U.S. military and other canteens

- US Outdoor Store