---
product_id: 401470385
title: "One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM)"
brand: "centiot"
price: "$12.21"
currency: USD
in_stock: true
reviews_count: 5
category: "Cent Io T"
url: https://www.desertcart.ec/products/401470385-one-way-non-return-inline-check-valve-white-plastic-water
store_origin: EC
region: Ecuador
---

# 4mm hose size perfect for precise fluid control SUS304 stainless steel spring ensures durability Spring-loaded seal for reliable one-way flow One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM)

**Brand:** centiot
**Price:** $12.21
**Availability:** ✅ In Stock

## Summary

> 🚀 Lock your flow, unlock your adventure!

## Quick Answers

- **What is this?** One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM) by centiot
- **How much does it cost?** $12.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/401470385-one-way-non-return-inline-check-valve-white-plastic-water)

## Best For

- centiot enthusiasts

## Why This Product

- Trusted centiot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable POM plastic shell paired with SUS304H spring guarantees long-lasting performance in demanding environments.
- • **Compact & Lightweight:** Slim 4.1 x 2.1 x 5.7 cm design weighing only 20g fits tight spaces without compromise.
- • **Precision Flow Control:** Engineered for flawless one-way liquid and gas flow, preventing backflow with 10 kPa opening pressure.
- • **Effortless Installation:** No assembly needed—just plug and play for instant, worry-free setup across your gear.
- • **Versatile Compatibility:** Seamlessly integrates with water, water-based fluids, and various vehicles from boats to dirtbikes.

## Overview

The CentIoT One-Way Non-Return Inline Check Valve is a professional-grade, spring-loaded valve crafted from durable POM plastic and SUS304 stainless steel spring. Designed for 4mm hose systems, it prevents backflow with a 10 kPa opening pressure and withstands reverse pressures over 300 kPa. Ideal for marine, automotive, agricultural, and recreational vehicles, it offers easy installation and reliable performance for water and water-based fluids.

## Description

Feature: Professional grade non-return valve - Ideal for marine, automotive, caravans/RV, and agriculture Arrow marked on valve, showing fluid flow direction, Prevents liquid from returning back to the tank and keeps it in the line. Easy to install, no assembly required, Can be used on any UTV, Side by side, Quad, Dirtbike, Jetski, Waverunner, Boat, Truck, Car, Motorcycle, Tractor, Camper, Lawn Mower, Blower, Pressure washer, etc... Note: Please allow 3-5 mm error due to manual measurement Package Included: 1 x one way check valve

Review: Durable - Excellent quality and durable
Review: Not goog - Too small for aquarium

## Features

- Structure: Spring loaded Seal; Color: White; Shell Material: POM
- Valve shaft: PP; Oring seal: Rubber; Spring: SUS304
- Hose size: 4mm (for hose with 4mm inner diameter)
- Opening pressure: 10 kpa; Reverse Pressure: >300kpa
- Compatible: Suitable for water and other water based fluids

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0843QZCFB |
| Batteries Required | No |
| Best Sellers Rank | #72,439 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #528 in Water Purifier Accessories |
| Brand | CentIoT |
| Country of Origin | China |
| Customer Reviews | 3.4 3.4 out of 5 stars (40) |
| Date First Available | 21 January 2020 |
| Exterior Finish | Plastic,Rubber |
| Generic Name | check valve |
| Inlet Connection Type | Flange |
| Item Dimensions LxWxH | 21 x 41 x 57 Millimeters |
| Item Weight | 20 g |
| Item dimensions L x W x H | 21 x 41 x 57 Millimeters |
| Item model number | HC088-4MM-NRV-POM-PP |
| Manufacturer | CentIoT, 69, First Cross, Nehru Nagar, Karaikal, Puducherry – 609605 |
| Material | Plastic |
| Maximum Operating Pressure | 300 Kilopascal |
| Model | HC088-4MM-NRV-POM-PP |
| Net Quantity | 1 Count |
| Number of Ports | 2 |
| Number of items | 1 |
| Outlet Connection Type | Flange |
| Product Dimensions | 2.1 x 4.1 x 5.7 cm; 20 g |
| Specification Met | CE |
| UPC | 679043306457 |

## Product Details

- **Brand:** CentIoT
- **Exterior Finish:** Plastic,Rubber
- **Inlet Connection Type:** Flange
- **Item dimensions L x W x H:** 21 x 41 x 57 Millimeters
- **Manufacturer:** CentIoT, 69, First Cross, Nehru Nagar, Karaikal, Puducherry – 609605
- **Material:** Plastic
- **Maximum Operating Pressure:** 300 Kilopascal
- **Number of Ports:** 2
- **Outlet Connection Type:** Flange
- **Specification Met:** CE

## Images

![One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM) - Image 1](https://m.media-amazon.com/images/I/31aOD0Bj8NL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does this have any metal part that might rust? It will come in contact with salt water**
A: No, It doesn't have any metal part.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Durable
*by U***X on 23 August 2025*

Excellent quality and durable

### ⭐ Not goog
*by R***R on 11 November 2025*

Too small for aquarium

### ⭐⭐⭐⭐⭐ Does what it says
*by A***T on 22 September 2023*

Does what it says

## Frequently Bought Together

- CentIoT - One-Way Non-Return inline check valve - white Plastic - for Water liquid gas (POM 4MM)
- CentIoT - One-Way Non-Return inline check valve - Transparent Plastic - for Water liquid gas (PP 6MM)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/401470385-one-way-non-return-inline-check-valve-white-plastic-water](https://www.desertcart.ec/products/401470385-one-way-non-return-inline-check-valve-white-plastic-water)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-01*