Features for 200ext

External Recirculating Skimmer Rated for Aquariums up to 400 Gallons

Footprint: 15.7" x 13.8" | Reaction Chamber: 8" | Height: 25.4"
Powered by: Reef Octopus 24V VarioS-4S Controllable Recirculating Skimmer Pump
Controller Features:multiple pause times, float switch safety and0-10v input for 3rd party controller

Features for 250ext

External Recirculating Skimmer for Aquariums up to 600 Gallons

Footprint: 18.1" x 15.3" | Reaction Chamber: 10" | Height: 26.4"
Controllable Pump: Reef Octopus 36V VarioS-6S

Features for 300ext

External Recirculating Skimmer Rated for Aquariums up to 700 Gallons

Footprint: 20" x 17.5" | Reaction Chamber: 12" | Height: 28.4"
Controllable Pump: Reef Octopus 36V VarioS