









🚫🐀 Stop rodents and floods before they start—upgrade your drain game now!
The Retro Fit 110mm 4 inch Drain Non Return Valve features a stainless steel flap that prevents rodent entry and sewage backflow. Designed for easy installation without tools, it fits both clay and plastic pipes, including bent inlet chambers, providing a robust defense against flood damage and pest intrusion.








| Manufacturer | Water and Pest Technologies | 
| Product Dimensions | 11 x 11 x 11 cm; 210 g | 
| Item model number | 10663457 | 
| Size | 110mm / 4" | 
| Colour | Black | 
| Material | Stainless Steel | 
| Shape | Circular | 
| Item Package Quantity | 1 | 
| Special Features | Easy to Install - No tools required | 
| Included Components | Valve | 
| Batteries included? | No | 
| Batteries Required? | No | 
| Item Weight | 210 g | 
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