Apollo 1/2 in. Stainless Steel PEX-B Barb Pinch Clamp (10-Pack) PXPC1210PK - The Home Depot
Falcon Stainless Part # PEX-GF-18 - Falcon Stainless 3/4 In. O.D. Stainless Steel Flex With 3/4 In. Fip X Pex Barb X 18 In. - Water Heater Accessories - Home Depot Pro
SharkBite 1-in Stainless Steel PEX Clamps (10-Pack) in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
Plumbeeze 3/4 In. Stainless Steel PEX Elbow - Roush Hardware
PEX Tee Connector - 316 Stainless Steel (Package of 10) - Rain Harvesting Supplies, Inc.