---
product_id: 685183529
title: "Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use"
brand: "kastwave"
price: "₨11553"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/685183529-floor-drain-backflow-preventer-universal-fit-for-3-2-4
store_origin: LK
region: Sri Lanka
---

# Anti-Backflow Design Easy Installation Thick Wax Ring Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use

**Brand:** kastwave
**Price:** ₨11553
**Availability:** ✅ In Stock

## Summary

> 🚽 Keep the Flow Fresh with KASTWAVE!

## Quick Answers

- **What is this?** Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use by kastwave
- **How much does it cost?** ₨11553 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/685183529-floor-drain-backflow-preventer-universal-fit-for-3-2-4)

## Best For

- kastwave enthusiasts

## Why This Product

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

## Key Features

- • **Seal the Deal:** Crafted with a premium wax ring for unbeatable adhesion.
- • **Universal Fit:** Designed to fit 3.2-4 inch waste lines, perfect for home and restaurant use.
- • **Odor-Free Zone:** Built-in backflow prevention keeps your bathroom fresh and inviting.
- • **Hassle-Free Setup:** Engineered for straightforward installation—no plumbing degree required!
- • **Durability Meets Reliability:** Constructed from high-quality materials for long-lasting performance.

## Overview

The KASTWAVE Floor Drain Backflow Preventer is a universal fit solution for 3.2-4 inch waste lines, featuring a thick wax ring for superior sealing, easy installation, and a built-in backflow prevention valve to eliminate odors. Ideal for both home and restaurant applications, this durable product ensures a reliable and watertight seal.

## Description

KASTWAVE Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use

## Features

- 🧼 【Thick Wax Ring】 Crafted with a premium and thick wax bowl ring, our product guarantees superior adhesion and forms a tight seal to prevent water leaks and odors from escaping.
- 🔧 【Easy Installation】 Our toilet flanges are engineered for straightforward and hassle-free installation. The user-friendly design allows anyone to easily install and replace the flange and wax ring, saving time and effort.
- 🔄 【Anti-Backflow Design】 The built-in backflow prevention valve effectively stops any water backflow, eliminating unpleasant odors and maintaining a fresh bathroom environment.
- 🛠️ 【Reliable and Durable】 Our Toilet Bowl Wax Ring Gaskets are constructed from high-quality materials, ensuring long-lasting performance and durability.
- 🚽 【Perfect Seal for Toilet Bowl】 Our toilet flange wax rings offer a dependable and watertight seal for both toilet installation and repair projects.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KASTWAVE |
| Model Number | RV7960 |
| Package Dimensions | 28 x 13 x 13 cm; 400 g |
| Item Weight | 400 g |

## Images

![Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use - Image 1](https://m.media-amazon.com/images/I/61Nsmv+MWhL.jpg)

## Frequently Bought Together

- KASTWAVE Floor Drain Backflow Preventer, Universal Fit for 3.2-4 Inch Waste Lines, Toilet Flanges Wax Rings, One-Way Valve Plug Stops Sewer Gas, for Home and Restaurant Use
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**Shop now:** [https://www.desertcart.lk/products/685183529-floor-drain-backflow-preventer-universal-fit-for-3-2-4](https://www.desertcart.lk/products/685183529-floor-drain-backflow-preventer-universal-fit-for-3-2-4)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-07-12*