【PVC Material】 This 3/4" PVC union coupling pipe fitting is manufactured with high quality PVC material for durability, reliability and to ensure a long service life. 【EPDM O-Ring Seal】 Equipped with EPDM O-ring seals to ensure a tight and reliable connection, preventing water leakage and seepage. 【Widely Used】 This PVC union coupling pipe fitting is widely used in swimming pools, irrigation, water supply systems, water parks, aquariums for connecting between pipes. 【Quick Connection Design】 The set includes 2pcs 3/4 inch PVC union coupling fittings (Socket x Socket) for PVC piping, easy and quick to connect. 【Note】 We offer five different sizes of PVC union coupling pipe fitting, please double check the model you need before purchasing, if there is any quality problem we will provide 30 days return service! Specifications:
Color: white
Material: PVC
Packing list: 2pcs 3/4 inch PVC union coupling fittings
Working temperature: 140°F max
Applicable pipe size: PVC pipe with 0.750" inside diameter and 1.050" outside diameter

How to use it?
Step 1: Rotate the union coupling pipe to separate it.
Step 2: Apply glue to both ends and insert the pipe immediately.
Step 3: Screw the union coupling pipe together after the glue has solidified.