External Hang-On Grech CBG-800S Without UV Sterilizer

The Grech CBG-800S is a compact hang-on back filter for freshwater and saltwater aquariums. It provides strong mechanical and biological filtration to keep your tank clean and healthy. The built-in surface skimmer removes oil film and floating dirt, while the adjustable flow lets you set the water speed to your needs. Easy to install and maintain, it’s ideal for tanks where you don’t want a bulky internal filter.

Key Features

• Adjustable Flow Rate – Stepless control for optimal water circulation.
• Surface Skimmer – Removes floating particles for a cleaner water surface.
• Multi-Stage Filtration – Mechanical and biological stages for effective water purification.
• Space-Saving Design – No need to place bulky equipment inside the tank.

Technical Specifications

• Model: CBG-800S
• Power Consumption: 6W 
• Flow Rate: 800 L/h (211 GPH)
• Recommended Aquarium Size: 75–190 L (20–50 US gal)
• Filtration Media: Mechanical sponges, bio media, and activated carbon (contents may vary)