ITEM NAME:2pcs Refrigeration Charging Adapter R22 + R410 For 1/4in Safety Valve Servi I4S1 Description: 100% Brand New and High quality. Length: approx. 145mm Height: approx. 30mm Width: approx. 94mm Special feature: connector R22 retention control valve:Blue outer filament 1/4", inner filament 1/4" R410 retention control valve: Red outer filament 1/4", inner filament 5/16" Feature: Fine workmanship and reliable. High strength and hardness. Application: air contioner system. Air.Air conditioning charging valve. Length: approx. Special feature: connector. Application: air contioner system. High strength and hardness.