This is a genuine OEM replacement part used on a variety of saws. It helps to distribute the pressure evenly and provides a tight seal for the connecting pieces inside the reel. It has multiple applications based on your tool. This part is made out of metal and it is sold individually.

To replace it you would need a screwdriver.

This is an authentic manufacturer approved replacement part used on Dewalt air compressors. Its purpose is to filter out dust and debris from contaminating the engine. This filter is made out of foam and plastic. It is sold individually.

Replacing this filter is easy and it does not require any tools. Simply screw the new filter in the cylinder head.

This is a genuine OEM part. The Porter Cable nipple (1/4-18NPT X 1) is constructed of high-quality metal, and is compatible with many air compressors. This part secures the manifold to the compressor tank. An adjustable wrench set is helpful in making the repair. This part is sold individually.

When you use a compressor the air that is compressed inside the tank will condensate and leave water inside the tank.
If it is left in the tank too long it can start to rust out the inside of the tank.

The Drain Valve should be opened up and let the water drain out.
The water will build up if you have a tendency to leave air in your tank for a long period of time.
You should drain your tank after each time it is used to prevent this from happening.

This is a genuine OEM approved replacement part designed for use with a variety of air compressors. One quarter turn to fully open/close this drain valve. This part is made out of metal and it is sold individually.