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🚫🐀 Stop floods and pests before they start—protect your space like a pro!
The Retro Fit 110mm 4 inch Drain Non Return Valve by Buffalo Flood Systems is a robust, easy-to-install backflow prevention valve designed for clay and plastic pipes. Featuring a stainless steel flap, it effectively blocks rodents and prevents floodwater backflow, while also sealing out foul odors. Its unique flexible fins and offset flap enable quick, tool-free installation even on bent pipes, making it the ultimate defense for homes and businesses in flood-prone areas.










| ASIN | B0190PE9RK |
| Best Sellers Rank | 8,115 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 34 in Valves (DIY & Tools) 43 in Livestock Equipment & Supplies |
| Brand | Buffalo Flood Systems |
| Connector Type | Flanged |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (301) |
| Exterior Finish | Plastic,Stainless Steel |
| Global Trade Identification Number | 00700461580201 |
| Included Components | Valve |
| Inlet Connection Size | 4 Inches |
| Inlet Connection Type | Flange |
| Item Dimensions | 11 x 11 x 11 centimetres |
| Item Type Name | RODENT VALVE |
| Item Weight | 0.23 Kilograms |
| Manufacturer | Water and Pest Technologies |
| Material | Stainless Steel |
| Model Number | 10663457 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 1.1E+2 Millimeters |
| Outlet Connection Type | Flansch |
| Set Name | Single Non-Return Flap Valve |
| Size | 110mm / 4" |
| Thread Type | BSP |
| UPC | 700461580201 |
| Unit Count | 1.0 count |
| Valve Type | check valve |
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