This brass compression sleeves ferrule is widely used in hose connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., and it is

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Beduan 304 Stainless Steel Compression Fitting Ferrule Sleeve 1 Tube OD Double Ferrule Ring Tubing Fitting（Pack of 2) : : Industrial & Scientific

This brass compression sleeves ferrule is widely used in hose connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., and it is

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