Ideal Vacuum | Adapter 3/8 inch hose barb to 1/4 inch ID Male NPT, Stainless Steel, Vacuum Fittings Adapter, Swagelok, SS-6-HC-1-4
Ideal Vacuum | Adapter 3/8 inch hose barb to 1/2 inch ID Male NPT, Stainless Steel, Vacuum Fittings Adapter, Swagelok, SS-6-HC-1-8
On-Stage MA-100 5/8 inch Female to 3/8 inch Male Microphone Thread Adapter | Sweetwater
Amazon.com: Midanya 1/4-Inch Female Pipe x 3/8-Inch Male Brass Pipe Fitting Reducer Adapter Air Hose Adapter Metal Pipe Adapter, 2 Pieces (1 Pair) : Everything Else
Proline Series 1/2-in x 3/8-in Threaded Male Adapter Bushing Fitting in the Brass Fittings department at Lowes.com
Vulcan MT6491799 Socket Adapter 3/8 Inch Female By 1/2 Inch Male (045734910294-1)
VFAUOSIT Brass Pipe Fitting, Water Hose Adapter, 3/8 inch Male x 1/2 inch Female water pipe adapter 3/8 to 1/2 pipe adapter Reducer Adapter 2 Pieces - - Amazon.com
1pc 3/8 1/2 Inch Square Drive To 1/4 5/16 3/8 Inch Hex Shank Adapter Wrench Converter Tool Screwdriver Bit Holder Socket Adapter - Screwdriver - AliExpress
Forney 75533 Brass Fitting, Reducer Adapter, 3/8-Inch Male NPT to 1/4-Inch Male NPT - Air Tool Fittings - Amazon.com
3/8" FNPT X 3/8" BSPP Male Brass Adapter (NPT X BSPP)
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
Female Pipe Reducer 3/8" to 1/4" Npt Adapter Coupler Brass Fitting Water Oil Gas | eBay
Kobalt 1/4-in x 3/8-in Adapter in the Air Compressor Fittings department at Lowes.com
Everbilt 3/8 in. OD Compression x 3/8 in. MIP 90-Degree Brass Elbow Adapter Fitting 800859 - The Home Depot
EEEkit 4-pack 3/8" to 1/4" 1/2 inch Socket Adapter Reducer Air Impact Set for Ratchet Handles, Extension Bars Accessories - Walmart.com