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🚽 Upgrade your flush game with the quiet power of Performax!
The Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve 2-Pack delivers industry-leading 2X faster refill rates with ultra-quiet operation. Featuring EZ-Twist height adjustment (9-14 in.) and customizable tank and bowl water level dials, it fits most toilet models for a perfect, water-saving flush. Easy to install with included instructions and backed by a 7-year warranty, this valve ensures reliable, efficient performance and a quieter bathroom experience.





| ASIN | B09PCXSQJM |
| Best Sellers Rank | #96 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Toilet Flush Valves |
| Brand Name | Fluidmaster |
| Connector Type | Threaded |
| Customer Reviews | 4.6 4.6 out of 5 stars (17,321) |
| Exterior Finish | Plastic |
| Global Trade Identification Number | 00039961033437 |
| Included Components | Toilet Fill Valves |
| Inlet Connection Size | 3.38 Inches |
| Inlet Connection Type | Fill |
| Item Dimensions | 14.25 x 3.38 x 6.88 inches |
| Item Type Name | High Performance Tank and Bowl Water Control |
| Item Weight | 1.4 Pounds |
| Manufacturer | Fluidmaster |
| Manufacturer Part Number | 400H-5003 |
| Manufacturer Warranty Description | 7 year limited |
| Material Type | Plastic |
| Model Number | 400H-5003 |
| Number of Pieces | 2 |
| Outlet Connection Size | 3.38 Inches |
| Outlet Connection Type | PEX |
| Set Name | 2-Pack |
| Size | 2- Pack |
| Specification Met | ASSE, FM, UPC |
| Thread Size | 1/4 inch |
| Thread Type | Twist |
| UPC | 039961033437 |
| Unit Count | 2.0 Count |
| Valve Type | Toilet Fill Valve |
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