HyrdoTools 8906 Threaded Straight Elbow Fitting 1.5" 1-1/2" Standard PVC Male Thread x 1-1/2" Smooth Hose Fitting for Above Ground Pool Filters This versatile elbow fitting is designed for standard above ground pool filter hoses, featuring a 1-1/2" male threaded end and a 1-1/2" smooth slip-on end. Ideal for connecting vacuum hoses or pool cleaners to a threaded port, this fitting requires a stainless steel clamp on the smooth end and PTFE thread tape for a watertight seal. Features: Male Threads: Fits 1.8125" female ports Straight Slip End: Fits 1.5" hoses Recommended Use: Secure with a stainless steel hose clamp Dimensions: 4.25"H x 3"W x 1.75"D Threaded Diameter: Outer - 1.75", Inner - 1.5" Barbed Diameter: Outer - 1.5", Inner - 1.25" Material: Durable PVC. If the item details above aren't accurate or complete, please let us know.