--- product_id: 593271540 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: "$207.37" currency: USD in_stock: true reviews_count: 7 category: "Rat Blockers" url: https://www.desertcart.us/products/593271540-rat-blockers-for-6-inch-drains-145-150mm-stainless-steel store_origin: US region: United States of America --- # Double non-return flap Fits 6-inch (145-150mm) drains Stainless steel rust & gnaw resistant 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:** $207.37 **Availability:** ✅ In Stock ## Summary > 🚫🐀 Lock out rodents, unlock 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?** $207.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/593271540-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 - • **Built to Last:** Rustproof and gnaw-resistant stainless steel guarantees durable underground protection. - • **Universal Fit:** Engineered for standard 6-inch clay and plastic pipes, ensuring seamless installation. - • **Twin-Flap Defense:** Dual stainless steel valves block rats while ensuring smooth wastewater flow. - • **Peace of Mind Warranty:** Backed by a 12-month manufacturer warranty for reliable, long-term rodent defense. - • **Hassle-Free Installation:** No expertise needed—bolt-adjustable for quick setup at pipe entrance or exit. ## Overview This stainless steel rat blocker features a double non-return valve system designed to fit 6-inch (145-150mm) clay and plastic drains. It prevents rats and rodents from entering properties through underground pipes while allowing free wastewater flow. Durable, rustproof, and gnaw-resistant, it offers a long-lasting, maintenance-free solution backed by a 12-month warranty. ## Description Product Description Stop Rats from Getting into drains Rat blockers specifically create a barrier that effectively prevents rats, mice, and other small rodents from gaining access to properties through the drainage systems. One of the most significant reasons for employing rat blockers is to protect the health and hygiene of occupants within properties. Rodents can carry diseases and bacteria, posing health risks to humans. By keeping them out of drainage systems, rat blockers help mitigate these health concerns. Rat blockers require no previous installation experience and require no long-term maintenance once installed. It can be installed at either the pipe's entrance or exit, and the included bolt can be adjusted to match the flow direction. Features Easy-to-install protection Suitable for clay and plastic drains Standard quality material Permanent rat entry solution Free flow of water and waste No need to use trap or poison Guarding Your Drains, Protecting Your Peace of Mind Rat blockers crafted from stainless steel provide long-lasting rat protection. It can withstand harsh environmental conditions, including exposure to moisture, without succumbing to corrosion or rust. Rat Blockers don't rely on chemicals or baits that require regular replenishment. They offer a more passive, non-toxic solution. The versatility of Rat Blockers lies in their ability to provide effective rat protection in various settings, from residential homes to a wide range of commercial applications. They offer a proactive, preventive solution to rat-related problems, helping to maintain a clean, safe, and cost-efficient environment. 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. ## 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) ## Available Options This product comes in different **Size** options. ## 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. --- ## 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.us/products/593271540-rat-blockers-for-6-inch-drains-145-150mm-stainless-steel](https://www.desertcart.us/products/593271540-rat-blockers-for-6-inch-drains-145-150mm-stainless-steel) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-12*