The KOPPLA manual had this diagram in it. What is this container? I can't find anything online about it but it seems like a great cable manager. : r/ IKEA
Cable Management Box for Spike Guard and Multiple Wires by IKEA (ROMMA) White LID White Box : Amazon.ae: Tools & Home Improvement
IKEA ROMMA cable management box with lid (Grey), 傢俬&家居, 其他, 家居改善及收納用品- Carousell
Kabelsammler Ikea Romma in Baden-Württemberg - Köngen | eBay Kleinanzeigen
Neue Design-Kollektion: Wie uns diese Ikea-Möbel das Leben leichter machen | BRIGITTE.de
Ikea ROMMA Cable Management Box With Lid - White Minimalist Cable Organizer & Socket Storage, Furniture & Home Living, Home Improvement & Organisation, Home Improvement Tools & Accessories on Carousell
IKEA Romma 電線整理盒連蓋Cable Management Box with Lid, 手提電話, 其他裝置- Carousell