This listing is for an internal automatic float drain for compressed air inline moisture filters. This fits the following models: (F702, F703, F704, F706, F906, and F908.) This will also work in some other models and information on the measurements can be found in the specifications.  This is made of ABS plastic for strength and durability and also has an O'ring to help seal. If you have any questions, please feel free to contact us prior to purchase.

Specifications:

Material: ABS Plastic
Total Length: 3 in.
Outside Diameter of Float: 1.25 in.
Thread Diameter: .45 inches