---
product_id: 275870747
title: "Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)"
brand: "hlzc"
price: "10.85 OMR"
currency: OMR
in_stock: false
reviews_count: 1
category: "Hlzc"
url: https://www.desertcart.com.om/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor
store_origin: OM
region: Oman
---

# Fits 1.5"–1.75" pipes Durable eco-friendly silicone Backflow & odor blocker Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)

**Brand:** hlzc
**Price:** 10.85 OMR
**Availability:** ❌ Out of Stock

## Summary

> 🚿 Seal out the stink, let freshness flow!

## Quick Answers

- **What is this?** Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) by hlzc
- **How much does it cost?** 10.85 OMR with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor)

## Best For

- hlzc enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Application:** Ideal for toilets, kitchens, bathrooms, basements, and laundry drains—upgrade any space instantly.
- • **Eco-Friendly Durability:** Made from premium silicone that’s flexible, stretchable, and built to last without deformation.
- • **Odor & Backflow Defense:** Automatic shut-off valve blocks sewer gases and prevents backflow, keeping your space fresh.
- • **Plug & Play Installation:** No tools needed—simply insert into drain pipe and trim if necessary for quick, secure setup.
- • **Universal Fit, Zero Hassle:** Adjustable design fits standard 1.5" to 1.75" pipes with included rings for perfect sealing.

## Overview

The HLZC Adjustable Silicone Drain Backflow Preventer is a modern, eco-friendly valve designed to fit standard 1.5" to 1.75" pipes. It prevents sewer gas odors and backflow with an automatic shut-off mechanism, made from durable silicone for long-lasting flexibility. Easy to install with included adapter rings, it’s perfect for bathrooms, kitchens, basements, and laundry areas, ensuring a fresher, cleaner environment.

## Description

How to install it? Installation is very simple. Plug and play. Where can it be installed? It can be installed in floor drains or sewer pipes. For example: shower drain, basement drain, bathroom sink, kitchen sink, bathtub drain, laundry floor drain or sewer pipe, etc. Can it be installed in a 1.75-inch diameter ABS pipe? Of course. It is suitable for standard 1 1/2” to 1 3/4" pipe. Is it possible to fall into the sewer? It comes with a plastic enlarge adapter and a plastic retainer ring. If there is a gap after installation, you can also use Teflon tape to fix it in place. So please don't worry, there will be no risk of falling. Installation Guide: 1. Please measure precisely the internal diameter of drain opening, in case any inconvenience brought by unmatched size. 2. Because the stickiness and softness feature of silicone, make sure support apart the open of drain grate with your hands in the first installation for the smooth draining. Package Contains: 4 x Silicone Drain Backflow Preventer 4 x Enlarge Rings 4 x Retainer Rings

Review: Unsatisfied Product - Product is not suitable in my drainage

## Features

- It is suitable for standard 1 1/2” to 1 3/4" pipe. Please measure the pipes you want to use before buying to ensure that you can buy a suitable floor drain. There are two fixed rings that can meet the different needs of large and small pipes.
- The automatic shut-off design allows it to prevent odor and peculiar smell from the sewage gas; block the backflow of sewer; and it can also allow the water to easily drain.
- The installation is very simple, just put it directly into the sewer pipe. If the silicone part is too long, you can trim the flat bottom to achieve quick drainage.
- The floor drain is made of high-quality silicone, which is environmentally friendly, durable, stretchable without worrying about deformation, and super flexible.
- It is suitable for most toilets, bathrooms, kitchens, basements and washing machine sewers. After installation, you will no longer have peculiar smells in your room. Fresh air and enjoy a good life.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0895NFGCN |
| Additional Features | Adjustable |
| Best Sellers Rank | #43,825 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #272 in Kitchen Drains & Strainers |
| Brand | HLZC |
| Brand Name | HLZC |
| Color | Blue |
| Colour | Blue |
| Customer Reviews | 3.9 out of 5 stars 530 Reviews |
| Finish Types | Brushed |
| Finish type | Brushed |
| Global Trade Identification Number | 06221243457657 |
| Item Dimensions W x H | 45W x 115H millimeters |
| Item Weight | 200 Grams |
| Manufacturer | HLZC |
| Material | Silicone |
| Material Type | Silicone |
| Product Style | Modern |
| Product dimensions | 45W x 115H millimeters |
| Special features | Adjustable |

## Product Details

- **Brand:** HLZC
- **Colour:** Blue
- **Material:** Silicone
- **Finish type:** Brushed
- **Product dimensions:** 45W x 115H millimeters

## Images

![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 1](https://m.media-amazon.com/images/I/51GCnzX2OKS.jpg)
![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 2](https://m.media-amazon.com/images/I/51UMs+KL4OS.jpg)
![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 3](https://m.media-amazon.com/images/I/51h7fts2xjS.jpg)
![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 4](https://m.media-amazon.com/images/I/61GhA+6VGBL.jpg)
![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 5](https://m.media-amazon.com/images/I/61HyIDV3eIS.jpg)

## Questions & Answers

**Q: Would this be effective for a vent Backdraft. Would it flap and be noisy with air pushed through it?**
A: I think this should not be effective for a vent Backdraft. Of course you can also try it.

**Q: Does this fit standard US sink drains and showers ?**
A: Hello, you need to measure the opening of your drains. This fits 1 1/2" to 1 3/4" drain opening.

**Q: Will this stop water backflow?**
A: The bottom of this floor drain is closed, which can stop water backflow

**Q: How much air pressure does it take to activate airflow for waterless checkvalve vent?**
A: It needs normal or mild air pressure.

## Customer Reviews

### ⭐ Unsatisfied Product
*by J***A on 1 May 2025*

Product is not suitable in my drainage

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**Shop now:** [https://www.desertcart.com.om/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor](https://www.desertcart.com.om/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-14*