I used this in conjunction with the purchase of my houseplants! It's a German-made Lechuza Cubico 40 / Cube 40 / Trio 40 liner. Watering is super easy! Also, since I was already using it, I've only washed it with water. Wooden planter size: 43 x 43 x H45cm ▪️Product Description A bottom watering system that frees you from "watering." Once set up, taking care of potted plants becomes effortless... It provides water to the plants at just the right time, just like a professional. Furthermore, the components contained in the special clay promote purification, etc. The Lechuza bottom watering system enables optimal circulation of water and air within the pot. Please understand that we do not accept price negotiations.