NHB1 6Ft HVAC Vacuum Hose 1/2" Internal Diameter, 3/8" to 1/4" Fittings High-Flow Refrigerant Hoses, 20 Microns Vacuum Pump Hose Faster HVAC Evacuation and Recovery, Vacuum Certified Refrigerant Hoses

【 Essential HVAC Tool 】 Upgraded 1/2" HVAC vacuum hose Designed with 3/8" to 1/4" female flare fittings, High-Flow vacuum certified refrigerant hose for HVAC systems, air conditioners, and refrigeration units, its 1/2" internal diameter balances flow efficiency for vacuum evacuation and refrigerant recovery tasks. 【 Premium Materials 】 20 Microns vacuum pump hose using 4-layer synthetic rubber and brass alloys, this HVAC hose resists chemical corrosion and abrasion while minimizing refrigerant permeation. Meeting environmental standards for sustainable cooling operations 【 Wide Application 】 6 Feet vacuum certified refrigerant hose, Boasting 3200 psi burst pressure and 640 psi working pressure. With wide compatibility spanning R410A/R134/R407C/R502/R12/R22 ETC. This vacuum hose enables rapid evacuation for HVAC systems 【 Safe and Efficient 】 HVAC vacuum hose for refrigerant recovery, vacuum pulling, refrigerant hose compatible with HVAC gauge sets, vacuum pumps and refrigerant recovery machines for residential/commercial applications. 【 Fast Recovery / Evacuation 】 The 1/2" HVAC vacuum refrigerant hoses, with a large diameter design, outperforms standard hoses. Compared with the 1/4 "alternative, the recovery time is reduced by 30%, and compared with the 3/8" alternative, it is reduced by 10% 【 Customer first 】Our manufacturing facility not only delivers premium-grade products but also rigorously reduces industrial pollution, complying with green and low-carbon development principles. Encouraging efficient work, we want the tools in your Refrigerant Hose to last as long as possible, which is why SMZTools offers a 1-year warranty-always aiming to empower you to work smarter, Weight: 2.2707612986 Pounds, Manufacturer: SMZTools