There are many different types of cases on the market, some with limited internal space, making it difficult to choose a suitable bridge module. The B-VGA-XS15-X bridge module offers an alternative to other modules by adding two pipe holes to the side, which effectively eliminates the problem of side panel clearance and saves significant amounts of space for water cooling. Features PMMA Designed to Fit Standard G 1/4in. Thread Fittings Specifications Material: PMMA Ports: 4 Compatibility GPU Blocks: 1 (Bykski Brand) Parts Included 1x Bykski B-VGA-XS15-X Bridge Block Sealing Rings + M4 x 24mm Screws Stop fittings NOT included Warnings Bridge block has 4 ports, only 2 are required for usage so stop fittings may be required based on configuration, please plan accordingly. Not responsible for any damage caused by or when using this product. Please use at your own risk.