plumbing - What connector to join/extend 1/4 in stainless steel

I am running about 6 feet short and need to extend 1/4 in stainless steel fridge water line by attaching another hose assembly with 1/4" female swivel compression fittings at both ends to it's

Watts 1/2ctsx3/4fpt Adapter 3510-1012

Durable Brass Shower Coupling G Ips Female Threaded Extends - Temu

Lincoln Adapter 61273

100mm Stainless Steel 304 Weld Nipple Tube 1/4 - 4 BSP Screwed Pipe Fittings

304 Stainless Steel Extension Tube/Barrel Nipple 1/2 3/4 1 BSP Male Adapter

Stainless Steel Butt Joint Adapter Adapter Coupler

Double Length Bung & Plug, 1, Mild-Steel, Recommended For All Applications

Stainless Steel Elbow Extension Wire Fitting, Stainless Steel Connector

GASPRO 12 feet Propane Quick-Connect Hose, Stainless Steel Braided RV Quick Connect Propane Hose, Quick Disconnect Propane Hose Extension - 1/4 Safety Shutoff Valve & Male Full Flow Plug for RVs price

316/L Stainless Steel Sanitary Clamp End Male Adapter

1/2 3/4 1 BSP Female To Male Stainless Steel Extension Pipe Fitting Joint Straight Plumbing Fittings Coupler Connector

Stainless Steel 1/2' Male Thread Connector Pipe 5/6/8/10/15/20/30cm Length Optional Shower Rod Extension Tube Water Pipe Adapter - China Stainless Steel Pipe Fitting, Stainless Steel Pipe Connector

Garden Plumbing Hose Adapter Double 1/2 3/4 1 Male Threaded Head 20cm Stainless Steel Straight Pipe Shower Rod Extension Hollow Pipe Garden Water Pipe Joint (Diameter : 1/2'') : Patio, Lawn

This pipe adapter is for cold water applications, widely used in water well and potable water systems.

Boshart UNLMAS125 Insert Adapter Steel MIP 1-1/4