Eastman 4-3/8 Inch Long Pattern Compression Coupling, 1 Inch IPS, Galvanized Steel, 20566 - Pipe Fittings - Amazon.com
JONES STEPHENS 2-1/2 in. IPS Malleable Iron Compression Coupling, Long Pattern 6-3/4 in. Body Length for IPS & Schedule 40 Pipe Repair C11250 - The Home Depot
RELIABILT 3/4-in Galvanized Coupling Fitting in the Galvanized Pipe & Fittings department at Lowes.com
B&K 3/4 In. x 4 In. Compression Galvanized Coupling | Hills Flat Lumber