Search Amazom for 'reptile humidifier'. They are made for reptile tanks but work the same way. There is a humidistat and a hose so the device can be outside the tent.
Here is one that would work the same way
https://www.amazon.com/WACOOL-Reptile-Humidifier-Humidity-Controller/dp/B08NVLT6JK/
WACOOL Reptile Fogger with Humidity Controller, 4L Large Tank Reptile Humidifier with Humidistat & Extended Hose, Automatic Terrarium Fogger for Beared Dragon Lizard Gecko Snake Tortoise https://www.amazon.com/dp/B08NVLT6JK/ref=cm_sw_r_cp_api_i_PEHAR5KJGTHQPHWD4V09?_encoding=UTF8&psc=1
This is the mister I have. It works absolutely perfectly, just gotta keep an eye on the water level
Search Amazon for 'reptile humidifier'. They are made for reptile tanks but work the same way. There is a humidistat and a hose so the device can be outside the tent.
Here are a couple that work the same way as a T3
https://www.amazon.com/WACOOL-Reptile-Humidifier-Humidity-Controller/dp/B08NVLT6JK/