drain line adapter (dla) with 1/4-inch quick connect fitting for a water filter and 7/8-inch fitting for a dishwasher (et116-001, d-25qc, dla-d) air gap international the et116-001 universal drain line adapter connects dishwasher drain outlet and ro drain line to garbage disposal. the et116-001 provides a secure and code compliant connection to the garbage disposal drain line. the et116-001 has a 7/8-inch outlet compatible with all garbage disposal units and is connected using provided 7/8-inch coupler hose. the inlet of the et116-001 provides multiple barb connections to accommodate 1/2, 5/8, 3/4, and 7/8-inch hoses to accommodate any dishwasher outlet hose diameter. the et116-001 is made from durable plastic with a barbed end that can be easily cut to accommodate multiple hose sizes. if the ro port is not used, it can be plugged with a 1/4-inch plastic dowel. the et116-001 comes with all necessary parts for a quick and easy installation. that includes coupler hose, two stainless steel clamps, and the user guide. the design of the et116-001 dla eliminates ro gurgling sounds and provides a legal way to connect the ro system to drainage. the et116-001 line adapter is listed by upc and tested for compliance with ipc and nsf standards.