Philmac Coupling – IPS-OD | Join Two Sections of IPS-OD Polyethylene Pipe The Philmac Coupling IPS-OD is a compression-style straight coupling designed to join two sections of IPS-OD (Iron Pipe Size – Outside Diameter) polyethylene pipe. Whether you’re extending a water line, repairing a break, or connecting two pipe runs, this coupling makes a secure, leak-free joint without threading or solvent welding. Philmac’s compression fitting technology grips the pipe on both ends with a positive mechanical connection that holds under pressure and resists pull-out. Installation is fast and straightforward — no special tools required beyond a wrench to tighten the compression nuts. It’s the fitting that agricultural producers across the country rely on to build and maintain their PE water systems. Available in multiple sizes to match your pipe diameter, the Philmac IPS-OD Coupling is a dependable, field-proven solution for any PE water line connection. Features IPS-OD Compression ConnectionGrips PE pipe on both ends securely without threading or solvent welding. Straight Coupling DesignJoins two sections of same-size IPS-OD PE pipe in a straight run. Leak-Free PerformancePositive mechanical grip holds under pressure and resists pull-out. Fast InstallationNo special tools required — installs quickly with a standard wrench. Philmac QualityTrusted by agricultural producers for reliable PE pipe connections. Simple, strong, leak-free — the Philmac IPS-OD Coupling is the reliable way to join your PE water line. 3" will be dropship only. Expect longer shipping times No returns on dropship items