Uprok Adapter (4mm)

Adapter for male cans with a 4mm valve stem - use all your favorite old-school caps on the new male valves. This adapter makes it all possible.

Attention: The Grey UPROK adapter is compatible with some Krylon, Valspar, Rusto Turbo, and other similar male valve systems from Asia. We cannot guarantee compatibility as valve systems are constantly changing with product updates.