This quick connector water filter is made of high quality plastic material, it is non-toxic, safe and durable in use. Comes with a unique design, which can effectively ensure no leak proof, it's safety for you to use. The plastic quick fitting straight adapter is easy and quick to install or remove without the need of others tools. Widely used for reverse osmosis water drinking, food and beverage industry and other necessary place. Comes with 6 pcs per set , very convenient for RO water filter fitting system. It can meet your daily home use. Product Description Features: Condition: 100% Brand New Material: plastic White color Tube outer diameter: G1/4 Female thread: G1/2 Weight: approx. 73g Package Included: 6 x Water Filter Quick Connectors Installation Instruction: 1. Cut the mouth of the tube with a professional tube cutter (do not use scissors) and remove the blue part. 2. Insert the tube into the connector (can be inserted about 15mm deep). 3. Pull the tube gently and buckle the blue part at the same time. Detachment instruction: 1. Remove the blue part (first check whether the pipeline is closed or not). 2. Press the white ring of the connector until the ring reaches the bottom and pull out the tube at the same time. Made of premium plastic material, non-toxic, safe and durable. unique design guarantees a tight seal. Easy and quick to install or detach without the need for other tools. Widely used for reverse osmosis drinking water, food and beverage industry. Comes with 6 pieces per set, very convenient water filter RO system fitting.