Yellow Jacket 42036 Manifold with 3-1/8-inch (80mm) Gauges and PLUS II ¼-inch Hoses (60-inch, 3-Pak, RYB)R-32/454B/410A A2L compatible Color-coded scalesSliding double “O” ring pistons reduce wear Series 41 Manifold with 3-1/8-inch Gauges and (3) PLUS II 60-inch Hoses Series 41 Manifolds are available with larger, easier to read 3-1/8? color-coded gauges in rugged steel cases with polycarbonate crystals. These gauges feature 1% accuracy (Class 1) for an exact reading in critical charge systems.For the A/C and Refrigeration Service Technician For decades, the YELLOW JACKET Series 41 test and charging manifold has been the standard of the industry for both ease of use and durability. This field proven manifold had now been combined with larger, easier to read 3-1/8” color-coded gauges in rugged steel cases with polycarbonate crystals. The refrigerant scales and pressure arcs are color-coded for convenience and the numbers are large for high visibility. Most importantly, these gauges feature 1% accuracy over the full pressure range. 1% accuracy is important for critical charge systems where an exact reading is critical.This manifold product line is designed for the air conditioning and refrigeration service technician who knows and appreciates the quality and durability of YELLOW JACKET products.