Bulk Head Long with Valve and Flare ventilation It is the Largest particle

It is the Largest particle size in the Ultra-Clear product line

Do not require baits or pheromone lures

These are thought to protect the beneficial larvae from leaf drying

The cardboard flanges and heavy duty plastic plugs make these rolls easy to work with and the product easy to apply/dispense

Bulk Head Long with Valve and Flare ventilation It is the Largest particleBulk Head Long with Valve and Flare This bulkhead with attached valve is perfect for passing through thin walls in vacuum applications such as vacuum chambers, the maximum recommended wall thickness is 0. 25". The gasket design is only meant to hold vacuum, it is not intended to hold pressure. The hole diameter for installing the bulkhead is 5 16". The flare connection is 1 4" JIC.