Small Parts - TPC-063/06-36 -TPC-063/06 Polycarbonate Tubing, 1/4" ID x 3/8" OD x 1/16" Wall, Clear Color 36" L: Industrial Plastic Tubing: Amazon.com: Industrial & Scientific
LASCO PVC Cross, Socket x Socket x Socket x Socket, 3" Pipe Size - Pipe Fitting: Amazon.com: Tools & Home Improvement