3/8 " in. x 50 ft. Copper Soft Type Refrigeration Pipe/Tubing
Amazon.com : YELUN Garden Hose Elbow Connector 90 Degree Solid Brass Pipe Fittings Hose Elbow -Eliminates Stress and Strain On RV Water Intake Hose Adapter 3/4" FHT x 3/4" MHT (2 SETS) :
Supply Giant DDUF0012-5 Tee Copper Fittings With Sweat Ends, 1/2 (1 pack, 5 count) - - Amazon.com
K&S 3404 Round Copper Telescopic Tubing Assortment, 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4 O. D. X 014" Wall Thickness X 12", 7 Pieces, Made in The USA: Amazon.com: Industrial & Scientific