98394 Galvanized Malleable Iron Cap, 3/4" Pipe Size, FNPT Connection Type | Imperial Supplies
Amazon.com: SUPPLY GIANT HNDQ0312 3-1/2" Galvanized Malleable Iron Pipe Cap for 150 lb Applications, with Female Thread, 3-1/2 in, Gray : Industrial & Scientific
GS104-12 Galvanized Iron Pipe Cap 3/4" FIP (cl150 - Sch40)
4-Inch Galvanized Malleable Pipe Nipple Cap by LDR Non-Toxic, Hydrostatic | eBay