This Black tubing works with all standard 3/8 inch compression and quick-connect fittings, such as the one's found on reverse osmosis systems, drinking water filters, water dispensers, refrigerators, and icemakers. This tubing is sold in 3 foot sections.
Various water related applications
Air Gap Faucet Drain line from faucet to drain saddle connection.
3 foot-3/8 inch Black Polyethylene tubing for drain line from faucet to drain saddle.