These high quality Through Bag Connectors are a quick and reliable way way to connect vacuum hoses to vacuum bags.
The connector is made up of two halves, one of which is placed inside the vacuum bag, the other is placed on the outside. A small hole is made in the vacuum bag and the mandrel of the connector passes through this hole. The two halves twist together clamping around a rubber seal, providing a solid and reliable air-tight seal.
These high quality connectors can be re-used indefinately.