1/4 Female SAE x 1/4 Brass Hose Barb

Brass Pipe fitting, 3/8 SAE Flare Male 1/4 SAE Female Thread, Tube Adapter - AliExpress

30250 (30-250) Midland Push On Hose Barb, 45° SAE Flare Female Swivel, 7/16-20 UNF Thread, 1/4 Hose ID x 1/4 Female 45° Flare

Brass Pipe & Fittings

Dixon 144-0410 Latón hembra 45° SAE giratorio x manguera Barb, 1/4 ID x 3/8 OD x 5/8-18 hembra UNF : Industrial y Científico

SAE 45° Flare Fitting - Female Adapter - 1/4 Male Flare x 1/8 FPT - Brass

REGO INVERTED FLARE Adaptor x 1/4 MNPT - Gameco

Uxcell 1/4 SAE Flare Male 3/8 SAE Female Thread Tubing Brass Pipe Fitting 2 Pack

Brass Fittings – RV MEGA

ShopIBT Hose Barb Fitting, Fitting/Connector Type: Adapter, 1/2-20 x 1/4 in Nominal, Female SAE Inverted Flare Rigid x Push-On Hose Barb End Style, 9/16 in Hex, 1.19 in Length, 2 Barb