









🚫🐀 Seal out pests & floods with the ultimate 4-inch drain defender!
The Retro Fit 110mm 4 inch Drain Non Return Valve features a stainless steel flap engineered to prevent rodent intrusion and sewage backflow. Designed for universal compatibility with clay and plastic pipes, its unique 45° flap mechanism ensures smooth operation even on bent inlets. Easy to install without tools, it offers a 5-year guarantee and WRc approval, making it the go-to solution for flood-prone properties and pest control in commercial and residential settings.
| Manufacturer | Water and Pest Technologies |
| Item Weight | 210 g |
| Product Dimensions | 11 x 11 x 11 cm; 210 g |
| Item model number | 10663457 |
| Size | 110mm / 4" |
| Color | Black |
| Material | Stainless Steel |
| Shape | Circular |
| Item Package Quantity | 1 |
| Specification met | WRc |
| Special Features | Easy to Install - No tools required |
| Included components | Valve |
| Batteries Included? | No |
| Batteries Required? | No |
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