These Low/High side retrofits will convert your old 1/4" R12 charging port and allows you to connect the R134a hose.<br> Features:<br> Made from superior material, has great durability.<br> Good choice for car accessory replacement.<br> Convert your old 1/4" R12 charging port and allows you to connect the R134a hose.<br> Come with removable Schrader valves.<br> Save time and effort, light weigh and easy installation.<br> Specifications:<br> Material: ABS + Alloy<br> Retrofit Length: 28mm / 1.1in (approx)<br> Blue Cap Diameter: 18mm / 0.71in (approx)<br> Red Cap Diameter: 20mm / 0.79in (approx)<br> Package Size: 100 * 80 * 30mm / 3.94 * 3.15 * 1.18in<br> Package Weight: 71g / 2.5ounces<br> Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.<br> Package List:<br> 1 * 7/1620UNF (1/4") R12/R134a Low Side Retrofit<br> 1 * 7/1620UNF (1/4") R12/R134a High Side Retrofit<br> 1 * Blue A/C System Cap<br> 1 * Red A/C System Cap<br> 2 * Removable Valves