---
product_id: 286239537
title: "Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1)"
brand: "rat blockers"
price: "1107 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Rat Blockers"
url: https://www.desertcart.ro/products/286239537-rat-blockers-for-6-inch-drains-145-150mm-stainless-steel
store_origin: RO
region: Romania
---

# Fits standard 6-inch (145-150mm) drains seamlessly Durable stainless steel resists rust & gnawing Double non-return flap for max rodent defense Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1)

**Brand:** rat blockers
**Price:** 1107 Lei
**Availability:** ✅ In Stock

## Summary

> 🚫🐀 Lock out rats, lock in peace of mind!

## Quick Answers

- **What is this?** Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) by rat blockers
- **How much does it cost?** 1107 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/286239537-rat-blockers-for-6-inch-drains-145-150mm-stainless-steel)

## Best For

- rat blockers enthusiasts

## Why This Product

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

## Key Features

- • **Universal 6-Inch Fit:** Engineered for both clay and plastic pipes, ensuring hassle-free installation
- • **Rust & Gnaw Resistant:** Premium stainless steel construction guarantees long-lasting, corrosion-proof protection
- • **Twin-Flap Rat Barrier:** Dual stainless steel valves block rodents without disrupting drainage flow
- • **Peace of Mind Warranty:** Backed by a 12-month manufacturer warranty for reliable, worry-free rodent defense
- • **Effortless Installation:** Quick-fit design means no plumbing pro needed—secure your home in minutes

## Overview

The Rat Blockers Stainless Steel Double Non-Return Valve is a robust anti-rodent drain guard designed for 6-inch (145-150mm) clay and plastic pipes. Featuring twin stainless steel flaps, it allows free wastewater flow while effectively preventing rats from entering through underground drains. Its corrosion- and gnaw-resistant build ensures durability, backed by a 12-month warranty, making it an essential upgrade for rodent-free, worry-free homes.

## Description

Great prices on your favourite Gardening brands, and free delivery on eligible orders.

Review: Surface warter drain issue. - Since installing this product we have not heard any creatures. Very effective for what we needed. Highly recommended for keeping any uninvited guests out. Very easy to install, a little expensive but worth it. Looks like it will last for a long time.
Review: Well made - Great product seems well made hopefully it solves a problem.

## Features

- ✔ DOUBLE NON-RETURN FLAP PROTECTION: Features twin stainless steel non-return valves that allow free wastewater flow while helping prevent rats and rodents from entering through the drain. Dual flap design provides enhanced protection compared to single-valve alternatives.
- ✔ EFFECTIVE RAT ENTRY PREVENTION: Designed to help stop rats accessing your property via underground drainage systems. A practical solution for households experiencing rodent activity in sewer pipes.
- ✔ STAINLESS STEEL – RUST & GNAW RESISTANT: Manufactured from durable stainless steel for long-lasting performance. Resistant to corrosion and designed to withstand gnawing, making it suitable for underground drainage use.
- ✔ SUITABLE FOR 6 INCH (145–150MM) DRAINS: Flexible fitting for standard 6” clay and plastic drainage pipes. Designed to fit securely within 145mm–150mm internal pipe diameters.
- ✔ 12-MONTH MANUFACTURER WARRANTY: Includes a 12-month warranty for peace of mind. Built for durability and long-term drainage protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CM9XFWW |
| Best Sellers Rank | 86,198 in Garden ( See Top 100 in Garden ) 1,275 in Rodent Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (10) |
| Date First Available | 6 July 2020 |
| Item display length | 13 centimetres |
| Manufacturer | Rat Blockers |
| Product Dimensions | 13 x 9.3 x 9.3 cm; 860 g |

## Images

![Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/711sjxlh12L.jpg)
![Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/61aEMMvZwPL.jpg)
![Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/31YpxwzJDvL.jpg)
![Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/31ukRiPb3pL.jpg)
![Rat Blockers for 6 Inch Drains (145/150mm) – Stainless Steel Double Non-Return Valve – Anti Rat Drain Guard for Clay & Plastic Pipes – Twin Flap Sewer Rodent Stopper (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/61AGM+0f2jL.jpg)

## Questions & Answers

**Q: Can these be fitted to slightly bigger diameter pipe (6.3 inch inside diameter)? Thank you**
A: with a 0.3 inch adjustment, there is no problems there. You can pull the sides slightly for a better fitting.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Surface warter drain issue.
*by J***G on 16 November 2024*

Since installing this product we have not heard any creatures. Very effective for what we needed. Highly recommended for keeping any uninvited guests out. Very easy to install, a little expensive but worth it. Looks like it will last for a long time.

### ⭐⭐⭐⭐⭐ Well made
*by M***. on 31 October 2025*

Great product seems well made hopefully it solves a problem.

### ⭐⭐⭐⭐ Seems to be working correctly. Price is steep for what it is but appears to be doing its job
*by M***E on 5 November 2021*

East to install but expensive for what it is.

## Frequently Bought Together

- Rat Blockers for Drains - for 6 inch Drains (145/150mm) - Non-Return Valve, Twin Flaps (Pack of 1)
- Rat Blockers for Drains | Permanent Rat Prevention Valve & Rust Resistant Stainless Steel, Flexible Fitting 95mm - 105mm (Pack of 1)
- Roshield Rat Drain Guard | Stop Rats within Drainage & Properties | Rodent Flap Control & Prevention Proofing (Stainless Steel 4"/110mm)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-18*