Dranjer FR2
Retrofit Floor Drain Seal. The FR2 Dranjer is a retrofit floor drain valve, specifically designed for homes using or planning to use Active Subslab Depressurization (ASD) systems for radon mitigation. It allows water to drain freely while preventing radon gas, soil gases, and odors from entering your home.
With its simple installation and reliable sealing, the FR2 Dranjer is a great solution for upgrading existing floor drains to enhance radon protection and indoor air quality.
