[PRECISE FITMENT] Direct replacement sample hose for 16900 CoolTech ID Refrigerant Identifier; Fit for r-1234yf a/c systems machine; For -50300, 10500, AC1234-6, ACR325M, AC1234-4 Units (562146) Recover, Recycle, Recharge Machine. [SAFE REFRIGERANT SAMPLING] This identifier sample hose replaces old hoses on refrigerant identifiers, preventing -contamination during vehicle AC system sampling to accurate purity analysis results. [QUICK-CONNECT EFFICIENCY] Featuring simple screw-on fittings on both sides, this hose enables fast and secure connections to manifolds and probes for leak-free component replacement. Color:Transparent Material:plastic Package Contents: 1 x Air Tool Fittings 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.