Tech Specs

Size: 2.25" (5.8 cm) H x 1" (2.6 cm ) W

Weight: .42 oz (12 g)

Compatibility. Only compatible with GeoPress® bottles and cartridges sold on Grayl.com in Spring 2023 that feature a 2nd generation cartridge with horizontal flow channels (stacked in groups of six). 1st generation cartridges will not be able to accommodate a valve.

BPA-Free Materials. Made from food-grade silicone.

Origin. Designed in USA, made in China.