Mastercool 83272 R1234yf 2-Way Manifold Gauge Set with 72" Hoses – U.S. Designed, Assembled, and Tested – Durable Aluminum Construction and 3.5" Anti-Flutter Gauges

✅ 100% U.S. Designed, Assembled & Tested – Proudly engineered in the USA, the Mastercool 83272 delivers professional-grade performance and long-lasting reliability for R1234yf automotive A/C systems.

✅ 3.5" Anti-Flutter Gauges for Accurate Readings – Features silicone-dampened, recalibrateable 3.5-inch gauges that minimize needle flutter, ensuring stable and precise pressure readings for efficient diagnostics.

✅ Heavy-Duty Aluminum Manifold Block – Constructed with a rugged extruded aluminum body, designed for maximum durability and consistent performance—perfect for demanding automotive A/C servicing.

✅ Complete with 72" Barrier Hoses – Includes three 72-inch nylon barrier hoses, fully compliant with EPA, SAE, and UL standards, ensuring flexibility and leak-proof performance when working with R1234yf refrigerants.

✅ High-Quality R1234yf Couplers with Safety Features – Comes with premium high and low-side couplers, featuring extended disconnect protection for secure, leak-free connections during refrigerant recovery and charging.

✅ Extra-Large Sight Glass for Quick Refrigerant Checks – Equipped with a large sight glass, allowing for instant visual refrigerant flow verification, making system diagnostics faster and more efficient.

Sturdy Aluminum construction

72" SAE approved hoses

SAE J2888 certified

Sight-glass

Storage fittings for couplers on block