3/8” IPS 1/2” CTS (5/8”OD) 1/2” IPS 3/4” CTS (7/8”OD) 3/4" IPS 1” CTS (1-1/8”OD) 1” IPS 1-1/4” CTS (1-3/8”OD) 1-1/4” IPS 1-1/2” CTS (1-5/8”OD) 1-1/2” IPS 2” IPS 2” CTS (2-1/8”OD) 2-1/2” IPS 3” IPS 3” CTS (3-1/8”OD) 3-1/2” CTS (3-5/8”OD) 4” IPS