Growbox Irrigation Funnel

Hello, I have created this funnel to water the plants inside my grow tent. Often, I don't have direct access to the plant pots, and watering them is challenging even with the help of a watering can. So, I use a simple funnel and a rubber tube. Since it was unstable, I designed this one specifically: it attaches with 4 simple M4 screws, and the tube fits snugly. I use a tube with an inner diameter of 11mm and an outer diameter of 14mm. The diameter of the grow tent frame's tube is 16mm, but it can be adjusted as desired. I'm sharing this; perhaps it can be useful to you too!