The QQ2 from Bubble Magus uses the same basic internals of the QQ1 but concentrates the performance into a tiny little package which is exceptional at basic protein skimming in shallow water placements, ideal for nano aquarium or fragging tanks.
 
Specifications:
Model: BM-QQ2
Pump: ROCK SP600
Power: 220V ,8.5W
Size: 100×75×305MM
For Aquariums up to: 100L