Finally found something to use the Source Convertube for:
Fits the UK sparkling 200 ml Smart bottle and the Ortleib 2 litre also. Both of these can accept the Sawyer Mini.
But not the UK 850 ml bottle on the left.
Fits the UK sparkling 200 ml Smart bottle and the Ortleib 2 litre also. Both of these can accept the Sawyer Mini.
But not the UK 850 ml bottle on the left.