Yellow MDPE CSA Gas Pipe CoilsSizeSelect Specs Size SDR O.D. Coil Length (m) 1/2" CTS 7 0.6250 300 3/4" IPS 11 1.0500 150 1" IPS 11 1.3150 150 1" CTS 7 1.125 150 1 1/4" IPS 10 1.6600 150 2" IPS 11 2.3750 150