Natursutten set of 2 anti-colic valves

These anti-colic valves can be used in combination with the Natursutten glass drinking bottles. 

The valve ensures the constant flow of bottle feeding and prevents intestinal colic. 

The valve can be placed in the bottle teat.   Please note: this is a replacement item. 

Two anti-colic valves are included in the Natursutten glass drinking bottle set.