5Pcs RO Water Quick Elbow Fittings – 1/4" & 3/8" Tube Connectors
5Pcs RO Water Quick Elbow Fittings – 1/4" & 3/8" Tube Connectors
Details
5-Pack Reverse Osmosis Quick-Connect Elbow Fittings
Keep your water filtration system running leak-free with these durable quick-connect elbow fittings. Compatible with 1/4" and 3/8" OD hose tubing and 3/8" or 1/2" male thread connections, this 5-piece set is ideal for RO (reverse osmosis) systems, aquariums, water dispensers, and other water purification setups. The push-to-connect design makes installation fast and tool-free — simply push the tube in for a secure, watertight seal.
Made from high-quality POM (Polyoxymethylene) plastic, these fittings are built to handle operating pressures up to 850 kPa while resisting corrosion and wear over time. The elbow (90°) shape is perfect for routing tubing around tight corners without kinking.
Made in Mainland China.
Key Features
- Material: POM (Polyoxymethylene) — durable, corrosion-resistant plastic
- Compatible Tube OD: 1/4" (6.35 mm) and 3/8" (9.53 mm)
- Male Thread Sizes: 1/8", 1/4", 3/8", and 1/2"
- Max Pressure: <850 kPa
- Shape: 90° Elbow (equal)
- Connection Type: Male thread, quick push-in
- Colors: White / Blue
- Quantity: 5 pieces per pack
Size Conversion Reference Table
| Measurement | 01 | 02 | 03 | 04 |
|---|---|---|---|---|
| Inches | 1/8" | 1/4" | 3/8" | 1/2" |
| Tube OD | 3.2 mm | 6.35 mm | 9.52 mm | 12.7 mm |
| Male Thread | 9.7 mm | 13.2 mm | 16.5 mm | 20.5 mm |
| Female Thread | 9.0 mm | 12.2 mm | 15.7 mm | 19.6 mm |
Compatible Applications
- Reverse Osmosis (RO) filtration systems
- Water dispensers and purifiers
- Aquarium plumbing and tubing
- Under-sink water filter systems
- General water line connections requiring 90° routing
What's in the Box
5 × RO Water Elbow Quick-Connect Fittings (assorted sizes as selected)
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Frequently Asked Questions
Q: What tube sizes are compatible with these RO water elbow fittings?
A: These quick-connect elbow fittings are compatible with hose tubes with an outer diameter (OD) of 1/4" (6.35 mm) and 3/8" (9.53 mm). Male thread sizes supported include 1/8", 1/4", 3/8", and 1/2". Please refer to the size conversion table above to find the correct fit for your system.
Q: Are these fittings suitable for use in a reverse osmosis (RO) water filtration system?
A: Yes, these elbow fittings are specifically designed for reverse osmosis water systems, water dispensers, and aquarium tubing setups. They are made from POM (Polyoxymethylene) plastic and rated for pressures up to 850 kPa, making them reliable for standard home RO and water purification installations.
Q: Do I need any tools to install these quick-connect elbow fittings?
A: No special tools are needed. These are push-to-connect fittings — simply insert the tubing firmly into the fitting until it clicks and locks into place, ensuring a secure, leak-resistant connection. To disconnect, press the release collar and pull the tube out.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.