Flat Inspection Ports can be used where a normal Lid and Ring are too big. They can also be used on boats and canoes to splash-seal storage compartments.
You can see how this popup was set up in our step-by-step guide: https://wppopupmaker.com/guides/auto-opening-announcement-popups/
Use this calculator to estimate the amount of water you could potentially catch
Your Name (*)
Your Email (*)
Product ID (SKU)