SOBO USB Silent Air Pump - Tiny Air Pump for Traveller, Thumb Size, USB Charger (4L/min)
SOBO Slim Hanging Filter - slim design aquarium filter, silent, strong power but safe energy for aquarium 50-250L (WP-308H,WP-408H, WP-508H)
SOBO Heater HC Series, budget Stainless Steel 304 heater, lightweight, rust resistant and completely immersed in water