Drain Saddle Compression Valve for Reverse Osmosis and Under Sink Water Filtration System 3/8″ – Desert Mountain Water LLC
APEC Drain Saddle Valve with 1/4 inch Quick Connect for Reverse Osmosis System (SADDLE-DRAIN) - Walmart.com
1/4″ PVC Drain Saddle | Atlas Scientific
APEC WATER Installation Accessory | Wayfair
Drain Saddle Clamp 1/4" Inch Quick Connect – Express Water
iSpring Drain Saddle for RO Water Systems Mechanical Filtration Reverse Osmosis Filtration Under Sink Water Filtration System in the Under Sink Filtration Systems department at Lowes.com