Bullet-1

Dimension : L 4.9"  x W 3.1" x H 11.4"
Pump: SICCE SHARK NANO    
Pump Power Consumption: 1.6 Watts 
Minimum tank height: 8.5 "    
Filtration Rating:
  up to 30 Gallons (light bioload)
  or 20 Gallons (heavy bioload)    

****Requires approximately 8" of clearance to remove the collection cup. 

Bullet-2

Dimensions: L 165 x W 155 x H 410 mm
Pump: SHARK 0.5 (Modified SICCE pump)
Consumptions: 4.4W
Filtration Rating: 200 L (light bioload) / 120 L (heavy bioload)
Minimum Tank Height: 255 mm
Clearance Requirement for Removing Collection Cup: 280 mm