Not sure what these are used for?

[Bfallin]

I recently purchased a 2018 Wilderness 2500rl and these were left in the storage. Can anyone tell me what these might be for?

 

[MDH2021]

Parts for a Portable Camper / RV Tote Tank like this, https://www.amazon.com/Camco-Portable-Accessories-Durable-Odorless-39002/dp/B07CQ1WC72/

 

[Bfallin]

Parts for a Portable Camper / RV Tote Tank like this, https://www.amazon.com/Camco-Portable-Accessories-Durable-Odorless-39002/dp/B07CQ1WC72/

Thanks!

 

[2019_V22]

Most commonly known as a "Honey Wagon".......