General description This R410A Charging Vacuum Port Adapter Kit includes two 45-degree and two 90-degree angled adapters, designed for use with most new R410A ductless mini split systems. It is perfect for R410A mini split air conditioners, refrigeration, and dehumidification applications. Technical specifications Material: High-quality brass alloy and copper Thread: 1/4 inch SAE male to 5/16 inch Type: Straight Type Adapter Color: Gold Package Contents: 2 x R410A 45 Degree Adapter (1/4 inch SAE M to 5/16 inch F), 2 x 90 Degree R410A Adapter (1/4 inch SAE M to 5/16 inch F), 2 x Straight Adapter R410A (1/4 inch SAE M to 5/16 inch F), 1 x Valve Core Remover, 5 x 5V1 Valve Core, 5 x Sewing, 5 x Rubber Seal Measurement allowed error: +/- 1-3 cm Installation Easy to use and install Deeply knurled coupling nut for quick tightening Usage Converts the SAE 5/16 inch charging suction port (new style R410A) to accept a 0.64 inch SAE meter hose Designed to prevent fluoride leakage during