radon vent pipe 2

https://myradonreductionguaranteespot.hexaforgey.com/posts/why-a-radon-reduction-guarantee-matters-for-your-home

The radon vent pipe is a crucial part of a mitigation system, quietly doing its job by channeling radioactive soil gas from beneath the house up and safely out above the roofline, where it disperses harmlessly into the open air.