Ratkil Drain Guard for Rodent Control Stainless Steel Rat Flap Stop Rats within Drainage & Properties Gates Sewers (Stainless 4"/110mm)

🚫 BLOCK RAT ENTRY THROUGH DRAINS – Prevent rodents from entering your property via the drainage system. The Ratkil Drain Guard is a highly effective solution to stop rats from accessing homes or commercial buildings through broken or connected sewer lines. 🔒 ONE-WAY STAINLESS STEEL FLAP DESIGN – Built with a durable one-way mechanism, this rat gate allows water and waste to pass through while completely blocking rodents from climbing upstream. Rats can’t chew through the marine-grade steel flap—ensuring long-term protection. ⚒️ EASY DIY INSTALLATION – NO TOOLS NEEDED – Designed for hassle-free setup, this drain rat blocker fits securely into the pipe with the included adjustable locking bolt. It installs in minutes and requires zero ongoing maintenance after placement. 🌧️ WEATHERPROOF & RUST-RESISTANT – Crafted from high-quality 316 stainless steel, this rat flap is corrosion-resistant and built to endure harsh drainage environments, including wet, acidic, or foul waste conditions. Trusted by pest professionals. 📏 4” / 110MM UNIVERSAL FIT – This listing is for a 110mm (4 inch) drain size—compatible with standard modern pipework and 100mm Victorian drains. Install at either the inlet or outlet of the drain for full coverage and peace of mind.