Description

Straight Quick-Connect Fittings (2-Pack) – 3/8″ OD Tubing × 1/4″ Thread

These Straight Quick-Connect Fittings are designed to connect 3/8″ OD tubing to components with
a 1/4″ threaded port, such as inline water filters, RO membrane housings, or other water filtration components.
The straight design provides a clean, direct connection and is ideal for installations where a 90° turn is not required.

Purpose

☑ Connect 3/8″ OD tubing to 1/4″ threaded ports

☑ Ideal for inline filters and water filtration systems with 3/8″ OD Tubing

☑ Provides a straight, low-restriction tubing connection

Key Features

☑ Quick-connect (push-to-connect) tubing side for fast, tool-free installation

☑ Straight fitting design for simple in-line tubing routing

☑ Compatible with standard 3/8″ OD RO tubing

☑ Suitable for potable water and RO filtration applications

☑ Includes 2 straight quick-connect fittings

Installation Notes (Important)

☑ The 1/4″ threaded side requires plumbing thread seal tape (PTFE/Teflon tape)
to ensure a secure, leak-free connection.
☑ Wrap plumbing tape clockwise around the male threads before installation.
☑ Hand-tighten first, then tighten slightly if needed. Do not overtighten.
☑ Insert 3/8″ OD tubing fully into the quick-connect port until it seats completely.

Specifications

Connection Type: 3/8″ OD Quick-Connect × 1/4″ Thread (Straight)

Tubing Size: 3/8″ OD (Outside Diameter)

Thread Size: 1/4″ Thread

Shape: Straight

Quantity: 2 fittings per pack

Application: Inline water filters, RO membrane housings, water filtration systems