The Bitspower Black Matte Sealing Plug For ID 1/2" Tube is designed to plug up a 1/2" ID Tube. It is great for plugging a tube to be used as a drain port or a fill port within the case.
The Bitspower Black Matte Sealing Plug For ID 3/8" Tube is designed to plug up a 3/8" ID Tube. It is great for plugging a tube to be used as a drain port or a fill port within the case.
The Bitspower Silver Shining Sealing Plug For ID 1/2" Tube is designed to plug up a 1/2" ID Tube. It is great for plugging a tube to be used as a drain port or a fill port within the case.
The Bitspower Silver Shining Sealing Plug For ID 3/8" Tube is designed to plug up a 3/8" ID Tube. It is great for plugging a tube to be used as a drain port or a fill port within the case.