R0557100 Pressure Gauge Adapter with O-Ring Seal. Durable metal replacement part constructed of high-quality brass for enhanced durability and longer service life compared to plastic. Features a 5/8-11G male thread and measures 1.72 inches in length. Designed for use with CS series cartridge filter models CS100, CS150, CS200, CS250, CJ200, and CJ250. Includes a rubber O-ring for reliable sealing and elasticity. Ideal for filter housing applications to replace damaged adapters and prevent leaks. Simple installation and user-friendly handling. Color: As shown in photo Material: Brass Package Contents: 1 x R0557100 Pressure Gauge Adapter with O-Ring Seal Note: The package includes only the items listed above. Other products are not included. Due to light reflection and differences in display screens, the color of the item in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.