Features Easy to separate and clean with just one lever pressure, such quick disconnect devices ensure easy operation. Adopts great workmanship, quick disconnect devices can serve as a perfect replacement for the old one. The high temperature silicone disc used for the waterproof seal in each QD accessory ensures high durability. Small beer pump quick coupling devices are easy to carry and convenient to use with good performance. All parts of the beer pump quick coupling are designed for durability and made of solid 304 stainless steel. Specification: Item type: quick disconnect device Material: stainless steel. Thread: female thread 1/2 inch NPT + 1/2 inch barb. Washer Material: Silicone Package list: 1 x quick disconnect equipment Package List 1 x Quick Disconnect Equipment