Water Filter/Softener Air Gap with 1/2-inch Barb Connector for Installation on a 1-1/2-inch Standpipe with PVC Trap Adapters.;

The ET117-008 Multipurpose Airgap Drain Line Adapter is designed for residential and commercial water softeners and ROs. The multipurpose air gap drain line adapter provides a true airgap for all Schedule-40 DWV standpipes. The ET117-008 provides a convenient, ready-made, true air gap for all Schedule-40 DWV standpipes. The multipurpose air gap drain line adapter provides many advantages and insures safety and peace of mind that your water supply is uncontaminated. The ET117-008 air gap drain line adapter is listed by UPC and tested for compliance with IPC and NSF standards.