The farrel attaches to the send pipe and is made of metal. This item is available as an individual replacement part. This is an OEM Bostitch part directly sourced from the manufacturer for use in air compressors. A screwdriver and a wrench set might be necessary during the installation of this part. It will need to be replaced if it becomes broken.
It is a genuine OEM sourced part which is specially designed for use with Bostitch air compressors. The regulator attaches to the joint and the pressure gauge. During replacement, it may require a wrench set to help install this item correctly. It is made out of metal and plastic and will need to be replaced if it breaks. This is available as an individual replacement part.