Contains 1 refrigerator filter dryer, 5.1 inches in length and 0.7 inches in diameter. Inner diameter: 0.25 inch (6 mm). Includes 1 check valve and 1 phosphor bronze electrode, 10 inches in length. The filter dryer is constructed of copper and contains molecular sieve particles with a particle size of 1.6–2.5 mm. Volume density: 0.85 g/ml. Static water absorption rate: 20%. Features 1/4 inch access valve thread with outer diameter: 1/4 inch SAE. Stem length: 4.7 inches. Tube thickness: 0.24 inches. The cap is made of copper, includes a core remover, and has a rubber O-ring inside. Includes BCuP-2 self-fluxing phosphor copper brazing alloy electrode (0.050 inch x 1/8 inch x 10 inches), no flux required. Compatible with industrial-grade propane gas welding torches. This 3-in-1 refrigeration repair kit is suitable for use with refrigerators, freezers, ice machines, small household air conditioners, large commercial air conditioners, and HVAC systems. Material: Copper. Color: As shown. Package includes: 1 filter dryer for refrigerator. No other items included. Note: Lighting and display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1–3 cm.