Professional Rat Drain Blocker
The Green Monster Rat Drain Blocker provides a highly effective and long-lasting solution for preventing rats from entering properties through drainage systems.
Manufactured from premium-grade 304 stainless steel, this professional drain rat flap creates a physical barrier that prevents rodents from travelling upstream through drains while maintaining the free flow of wastewater.
Suitable for domestic, commercial and industrial drainage systems, the Green Monster Drain Valve is trusted by pest control professionals, drainage contractors, housing associations and property owners throughout the UK.
Available in both 110mm (4") and 150mm (6") sizes.
Key Features
✅ Prevents rats entering through drainage systems
✅ Manufactured from premium 304 stainless steel
✅ Allows unrestricted wastewater flow
✅ Corrosion-resistant and built to last
✅ Suitable for PVC, clay and cast iron pipework
✅ Professional-grade rodent prevention solution
✅ Available in 110mm (4") and 150mm (6") sizes
✅ Trusted by pest control professionals
Ideal For
- Residential properties
- Commercial premises
- Restaurants and food businesses
- Housing associations
- Warehouses and industrial buildings
- Pest control professionals
- Drainage contractors
Why Install a Rat Drain Blocker?
Rats commonly gain access to buildings through damaged or unprotected drainage systems. Installing a professional drain rat flap helps prevent infestations before they occur, reducing the need for costly pest control treatments and property repairs.
The Green Monster Rat Drain Blocker provides continuous protection without restricting normal drainage performance.