![](https://www.radelec.com/store/31-large_default/tamper-resistant-twin-box.jpg)
![](https://www.radelec.com/store/31-large_default/tamper-resistant-twin-box.jpg)
The Tamper-Resistant Twin Box can be utilized to protect your electret ion chambers from being meddled with throughout a deployment. This box will not attenuate radon levels in any way, and is intended to be used with up to two S Chambers, L Chambers, or L-OO Chambers. When used in conjunction with a Tamper Monitor, it can greatly assist in ensuring the integrity of a radon test.