borderbound
New Member
No they leak where the clear plastic and the blue plastic meet unless your carefull how you grip them while screwing them on the glass bottle same with your nalgene hold the blue part not the clear while tightening it down ....
Down worry they all work most the time. But in the future get the whatman zapcap brand couple bucks more but there worth it
Down worry they all work most the time. But in the future get the whatman zapcap brand couple bucks more but there worth it
