USA root Blossom 1 8 inch pipe coupling then Glad Bone
EGT Probe Compression Fittings - 1/8" NPT Thread
1/8 inch Malleable Iron Pipe Fitting Coupling - Galvanized - FaucetDepot.com
Megairon 1/8" NPT Male x 6MM Double Ferrule Compression Tube Fitting,Stainless Steel SS304 Male Straight Adapter - Amazon.com
Eastman 4-1/8 Inch Long Pattern Compression Coupling, 3/4 Inch IPS, Galvanized Steel, 20564 - Amazon.com
Fitting Y Brass 1/8 in. NPT 2 F 1 M - AndyMark, Inc
1/4" x 1/8" Compression x Male NPT Adapter Pipe Fitting Tube Connector – compressor-source
Forged Steel, 1/8 in x 1/8 in Fitting Pipe Size, Half Coupling - 1MNB3|1MNB3 - Grainger
ECUDIS 10 PCS Lamp Pipe Brass Coupling 0.6 Inch Long 1/8 IP for Lamp Rod and Light Fixture Assemlby or Repair Lamp Tube Threaded Locknuts: Amazon.com: Industrial & Scientific