These low/high side retrofits convert your 1/4" R12 charging port to allow connection to an R134a hose. Features: - Made from high-quality materials for durability - Ideal for car accessory replacement - Converts 1/4" R12 port to R134a compatibility - Includes removable Schrader valves - Lightweight design for easy installation - Saves time and effort during use Specifications: - Material: ABS + Alloy - Retrofit length: 28mm / 1.1in (approx) - Blue cap diameter: 18mm / 0.71in (approx) - Red cap diameter: 20mm / 0.79in (approx) - Package size: 100 x 80 x 30mm / 3.94 x 3.15 x 1.18in - Package weight: 71g / 2.5oz Note: The actual item color may vary slightly from the images due to monitor brightness or lighting conditions. Package List: - 1 x 7/16-20UNF (1/4") R12/R134a low side retrofit - 1 x 7/16-20UNF (1/4") R12/R134a high side retrofit - 1 x Blue A/C system cap - 1 x Red A/C system cap - 2 x Removable valves