You are purchasing this lot of new COUPLINGS as shown in pictures. Morris, metflo, instalon Compression Coupling see picts, 3.0, 2.0, more I am not an expert and cannot provide good description so I show you the labels and pictures and if you need more answers please ask questions and nI will try to answer. These are new and have been nin storage for some time. Buyer pays 38.99 for USPS shipping. For AK, CA, NY, PR, HA, pay actual shipping cost just ask for quote, overseas okay through shipping. These are various sizes but are average $15-25 EACH. You recieve entire lot of 20 for $129!!!!. I am a disabled american business and appreciate your business!!!! No returns so review pictures because this what you will recieve!!!!