This 4 port fiber termination box Waterproof is for LC Duplex Fiber Adapte. 4 port fiber termination box body is made of high quality cold-rolled steel material, and the surface of the inferior smooth electrostatic praying processing technology. Box stack turn the page type structure fusion fiber disc, 1 ~ 2 into cable mouth and 1~48 core out fine mouth design is different from other 4 port fiber termination box. Also can be 6/8/12 port. This 4 port fiber termination box can be installed in different kinds of optical distribution Box.