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🚽 Seal out pests, seal in peace of mind!
The MF1 ARB1 Anti Cross-Flow and Rodent Barrier Valve is a 4-inch polypropylene swing check valve designed to fit most toilets with rear waste outlets. Featuring a black finish that blocks light to deter pests, it prevents backflow and cross-flow in horizontal pipes while providing a secure barrier against rodents. Its smart flap valve opens only during flushing, ensuring hygienic and efficient waste flow with added protection against vermin intrusion.
| ASIN | B01819CQ5I |
| Best Sellers Rank | 202,964 in DIY & Tools ( See Top 100 in DIY & Tools ) 481 in Drainage 2,357 in Pipes, Pipe Fittings & Accessories |
| Brand | Multiflap |
| Connector Type | Flanged |
| Customer Reviews | 4.4 4.4 out of 5 stars (38) |
| Exterior Finish | Plastic |
| Inlet Connection Size | 4 Inches |
| Inlet Connection Type | Flanged |
| Manufacturer | Multiflap |
| Material | Polypropylene (PP) |
| Model Number | MF1 ARB1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 4 Inches |
| Outlet Connection Type | Flange |
| Part Number | MF1 |
| Set Name | 1 unit |
| Size | 4 inches |
| Specification Met | CE |
| Thread Size | 4 inches |
| Thread Type | NPT |
| UPC | 641243237336 |
| Unit Count | 1.0 count |
| Valve Type | Swing Check Valve |
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