Contains 1 5.1-inch refrigerator filter dryer. ID: 0.25 inch/6mm; 1 check valve, 10-inch phosphor bronze electrode. The refrigerator filter dryer is made of copper and contains molecular sieve particles. The molecular sieve particle size is 1.6–2.5 mm, the volume density is 0.85 g/ml, and the static water absorption rate is 20%. Length: 5.1 inches, diameter: 0.7 inches, 1/4 inch, 1. Air conditioning access valve thread x OD: 1/4 inch SAE x 1/4 inch OD. 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. BCuP-2 self-fluxing phosphor copper brazing alloy electrode, no flux required, 0.050 inch x 1/8 inch x 10 inches. Industrial professional-grade propane gas welding torch supply. The 3-in-1 refrigeration repair kit is suitable for refrigerators, freezers, ice machines, small household air conditioners, large commercial air conditioners, and HVAC systems. Material: Copper Color: As shown Package Contents: 1 set filter dryer for refrigerator Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance: +/- 1–3 cm.