Best Reducer Tube Fittings

KOOTANS 4pcs Heavy Duty 1/4 NPT Male Thread to 1/8 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert

Brass Pipe Fitting,3/4 Inch NPT Male to 1/2 Inch NPT Female Brass Pipe Hose Tube Fitting Hex Head Bushing Adapter Convert (3, 1/2 NPT female x 3/4 NPT male)

Breezliy 2PCS Flare Brass Tube Fitting, Coupling Gas Adapter 3/8" Flare x 1/2" Female NPT Pipe

DERNORD Sanitary Concentric Reducer Tri Clamp Clover Stainless Steel 304 Sanitary Fitting End Cap Reducer (Tri Clamp Size: 2 inch x 1.5 inch)

Uenede 8PCS LF Brass 3/4 to 1/2 to 3/4 Inch PEX Tee Reducer 3 Way Coupling Barb Crimp Pipe Tube Fitting

Boeray 2pcs 1/2 Inch NPT Male to 1/4 Inch NPT Female Reducer Brass Pipe Hose Tube Fitting Reducing Hex Head Bushing Adapter Convert

IVLPHA Push to Connect Fitting 5/16" Tube OD x 1/4" Tube OD Reducer, Pneumatic Air Water Straight Union Two Way Connector/Coupler (Pack of 5)

Watts PL-3021 Push Coupling, 3/8" x 1/4"

DERNORD Sanitary Fitting Reducer Fitting SUS304 Tri Clamp Ferrule Style 4" Tube OD to 2" Tube OD

40Pcs Hose Barb Fitting, Barb Reducer, Pipe Connectors Joint Mender Adapter Union for Aquarium Gas Liquid,ID1/2"x1/4",1/2"x3/8",1/2"x5/8",1/4"x3/8",1/4"x3/16", 1/4"x5/32",3/8"x3/16",1/8"x1/4"