I added a switch to turn the Bento box filter system on and off.
using this switch from Amazon. https://www.amazon.com/dp/B078SKTGF2?ref=ppx_yo2ov_dt_b_product_details&th=1
some Wago connectors from Homedepot. Make sure they are the 8.5mm thick ones. Wago 221. they also sell a thicker version.
Tapped 24v directly from the power supply terminal.
The author remixed this model.