Flow Tap For 5L Bottle - 38mm Cap

A white cap that is 38/400 (shallow)

Smooth Flow Tap breather tap with 12mm outlet & 38mm screwring (cap) to fit small jerry cans e.g. 1-5L. Breather taps are used in single-opening containers to achieve a smooth flow. Smoothflow taps are useful when filling narrow-opening containers or where a slower flow is preferable.