Apec Water Systems Drain Saddle for 3/8" Tubing - Assorted Pre-pack (See Table 9
From Macy's
The 3/8 inch Quick Connect Drain Saddle connects the Ro system's drain tube to the sink drain pipe. It fits 1-1/4" to 1-1/2" diameter pipes and is compatible with under-counter Ro systems using 3/8 inch tubing.