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🚫 Seal out rats, seal in peace of mind!
The MF3 Rat Barrier Non-Return Valve is a 4-inch lift check valve designed for plastic or salt-glazed clay pipes. It installs easily into inspection chamber exits to prevent rats from entering your drainage system by allowing wastewater to flow out while closing immediately after to block backflow. Made from high-grade plastic, it offers a practical, cost-effective solution to vermin intrusion in home sewer lines, ideal for millennial homeowners seeking smart, low-maintenance pest control.
| ASIN | B00PLN1UPA |
| Best Sellers Rank | 51,853 in Garden ( See Top 100 in Garden ) 6,369 in Pest Control Products |
| Brand | Multi-Flap |
| Connector Type | Sweat, Socket Weld |
| Customer Reviews | 3.7 3.7 out of 5 stars (108) |
| Exterior Finish | Plastic |
| Inlet Connection Size | 4 Inches |
| Inlet Connection Type | Socket Weld |
| Manufacturer | Multi-Flap |
| Material | Stainless Steel, Plastic |
| Model Number | MF3 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 4 Inches |
| Outlet Connection Type | Sweat |
| Part Number | MF3 |
| Set Name | Rat Barrier |
| Size | 4 inches |
| Thread Size | 4 inches |
| Thread Type | Non-threaded |
| UPC | 609788764618 |
| Unit Count | 1.0 count |
| Valve Type | Lift Check Valve |
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