O-Ring for Ozonizer (red) – Original Replacement Seal by Sander Key Features: Genuine replacement part from Sander Compatible with Sander ozonizers Made from ozone- and chemical-resistant material Ensures a reliable seal Durable and easy to replace Product Description: The O-Ring for Ozonizer (red) is an original replacement part from Sander, designed to ensure a long-lasting, secure seal for your ozonizer. This high-quality gasket is made from special ozone-resistant rubber that maintains its elasticity and sealing performance even with frequent use. Easy to replace, it helps maintain your device's operational safety and ensures efficient, trouble-free ozonizer performance. With the red Sander O-Ring, you're choosing quality, durability, and a perfect fit – for reliable operation of your ozonizer.

Ozoflex Hose Ø 4/6?mm (3?m) – Ozone-Resistant Specialty Hose Key Features: High-quality specialty hose for ozone applications Inner diameter: 4?mm / Outer diameter: 6?mm Length: 3?meters Resistant to ozone and chemicals Flexible, durable, and safe in use Product Description: The Ozoflex Hose Ø 4/6?mm (3?m) is a specially designed hose for use with ozone and other oxidizing gases. It stands out for its high resistance to ozone and chemicals, making it ideal for the safe operation of ozonizers and air systems. Made from durable yet flexible material, the hose remains dimensionally stable even during extended use and ensures a reliable connection between ozonizer, reactor, or diffuser. With an inner diameter of 4?mm and outer diameter of 6?mm, it fits all standard connectors used in aquatics and water treatment. The 3-meter length provides ample flexibility for easy installation. The Ozoflex Hose is the perfect choice for those who value safety, durability, and quality when working with ozone systems.

Sander Maxi-Skim – Compact Protein Skimmer for Freshwater and Marine Aquariums Key Features: Internal skimmer for freshwater & saltwater tanks Compact design – ideal for limited space Generates ultra-fine air bubbles for clear, healthy water Can also be used as an ozone reactor Easy operation with air pump and air-lift system Product Description: The Sander Maxi-Skim is a powerful, compact protein skimmer for freshwater and marine aquariums, perfect for beginners and aquarists with limited space. Its smart design allows it to be used directly in the tank or in narrow technical compartments.Thanks to the built-in wooden air diffuser, the Maxi-Skim produces ultra-fine air bubbles that effectively remove protein compounds, debris, and organic waste from the water. This ensures crystal-clear, healthy water and stable oxygen levels in the aquarium.The skimmer can also be used as an ozone reactor, helping to reduce pollutants and improve water quality. It operates via an air pump (not included), and water circulation is managed through a reliable air-lift system.The Maxi-Skim series is available in various sizes, offering a suitable solution for every tank size:Model   Height   Tank Size   Water Flow   Air FlowMaxi-Skim 200   approx. 20 cm   up to 100 l   100 l/h   100 l/hMaxi-Skim 300   approx. 30 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 400   approx. 40 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 500   approx. 50 cm   up to 150 l   150 l/h   150 l/h

Sander Maxi-Skim – Compact Protein Skimmer for Freshwater and Marine Aquariums Key Features: Internal skimmer for freshwater & saltwater tanks Compact design – ideal for limited space Generates ultra-fine air bubbles for clear, healthy water Can also be used as an ozone reactor Easy operation with air pump and air-lift system Product Description: The Sander Maxi-Skim is a powerful, compact protein skimmer for freshwater and marine aquariums, perfect for beginners and aquarists with limited space. Its smart design allows it to be used directly in the tank or in narrow technical compartments.Thanks to the built-in wooden air diffuser, the Maxi-Skim produces ultra-fine air bubbles that effectively remove protein compounds, debris, and organic waste from the water. This ensures crystal-clear, healthy water and stable oxygen levels in the aquarium.The skimmer can also be used as an ozone reactor, helping to reduce pollutants and improve water quality. It operates via an air pump (not included), and water circulation is managed through a reliable air-lift system.The Maxi-Skim series is available in various sizes, offering a suitable solution for every tank size:Model   Height   Tank Size   Water Flow   Air FlowMaxi-Skim 200   approx. 20 cm   up to 100 l   100 l/h   100 l/hMaxi-Skim 300   approx. 30 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 400   approx. 40 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 500   approx. 50 cm   up to 150 l   150 l/h   150 l/h

Sander Maxi-Skim – Compact Protein Skimmer for Freshwater and Marine Aquariums Key Features: Internal skimmer for freshwater & saltwater tanks Compact design – ideal for limited space Generates ultra-fine air bubbles for clear, healthy water Can also be used as an ozone reactor Easy operation with air pump and air-lift system Product Description: The Sander Maxi-Skim is a powerful, compact protein skimmer for freshwater and marine aquariums, perfect for beginners and aquarists with limited space. Its smart design allows it to be used directly in the tank or in narrow technical compartments.Thanks to the built-in wooden air diffuser, the Maxi-Skim produces ultra-fine air bubbles that effectively remove protein compounds, debris, and organic waste from the water. This ensures crystal-clear, healthy water and stable oxygen levels in the aquarium.The skimmer can also be used as an ozone reactor, helping to reduce pollutants and improve water quality. It operates via an air pump (not included), and water circulation is managed through a reliable air-lift system.The Maxi-Skim series is available in various sizes, offering a suitable solution for every tank size:Model   Height   Tank Size   Water Flow   Air FlowMaxi-Skim 200   approx. 20 cm   up to 100 l   100 l/h   100 l/hMaxi-Skim 300   approx. 30 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 400   approx. 40 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 500   approx. 50 cm   up to 150 l   150 l/h   150 l/h

Sander Maxi-Skim – Compact Protein Skimmer for Freshwater and Marine Aquariums Key Features: Internal skimmer for freshwater & saltwater tanks Compact design – ideal for limited space Generates ultra-fine air bubbles for clear, healthy water Can also be used as an ozone reactor Easy operation with air pump and air-lift system Product Description: The Sander Maxi-Skim is a powerful, compact protein skimmer for freshwater and marine aquariums, perfect for beginners and aquarists with limited space. Its smart design allows it to be used directly in the tank or in narrow technical compartments.Thanks to the built-in wooden air diffuser, the Maxi-Skim produces ultra-fine air bubbles that effectively remove protein compounds, debris, and organic waste from the water. This ensures crystal-clear, healthy water and stable oxygen levels in the aquarium.The skimmer can also be used as an ozone reactor, helping to reduce pollutants and improve water quality. It operates via an air pump (not included), and water circulation is managed through a reliable air-lift system.The Maxi-Skim series is available in various sizes, offering a suitable solution for every tank size:Model   Height   Tank Size   Water Flow   Air FlowMaxi-Skim 200   approx. 20 cm   up to 100 l   100 l/h   100 l/hMaxi-Skim 300   approx. 30 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 400   approx. 40 cm   up to 150 l   150 l/h   150 l/hMaxi-Skim 500   approx. 50 cm   up to 150 l   150 l/h   150 l/h

Sander Piccolo Protein Skimmer – For Small Marine Aquariums up to 50 Litres Key Features: For marine aquariums up to approx. 50?L Compact internal skimmer – ideal for tight spaces Ultra-fine air bubbles generated by wooden diffuser Provides clear, healthy water Operates with a standard diaphragm air pump (not included) Product Description: The Sander Piccolo Protein Skimmer is specially designed for small marine aquariums and delivers efficient filtration and optimal water quality despite its compact size. The fine wooden air diffuser produces tiny air bubbles that reliably remove organic matter and protein compounds. This keeps the water clear, clean, and oxygen-rich – ideal for healthy fish and corals. Thanks to its discreet design, the Piccolo blends unobtrusively into the aquarium and is easy to install. It operates using a standard diaphragm air pump of your choice (not included). The Sander Piccolo is a proven classic for nano and small aquariums – quiet, space-saving, and highly effective.

Sander Ozonizer Model C – Effective Water Treatment for Aquariums Key Features: Ozonizer for improving water quality Reduces germs, bacteria, and organic pollutants Provides crystal-clear, oxygen-rich water Easy installation and safe operation Suitable for both freshwater and marine aquariums Product Description: The Sander Ozonizer Model C is a powerful device for water treatment in aquariums, ensuring consistently clear, low-germ, and healthy water conditions. By introducing controlled amounts of ozone, it effectively breaks down organic pollutants, bacteria, and dissolved contaminants—without disrupting the aquarium's biological balance. This compact and reliable unit is suitable for both freshwater and marine aquariums and is easy to install and operate. When used in combination with a compatible protein skimmer or ozone reactor, the ozonizer delivers maximum efficiency and visibly improves water quality. The Sander Ozonizer Model C stands for precision engineering, safety, and long-lasting performance—ideal for aquarists who value crystal-clear water and a stable aquatic ecosystem.

Sander Ozonizer Model C – Effective Water Treatment for Aquariums Key Features: Ozonizer for improving water quality Reduces germs, bacteria, and organic pollutants Provides crystal-clear, oxygen-rich water Easy installation and safe operation Suitable for both freshwater and marine aquariums Product Description: The Sander Ozonizer Model C is a powerful device for water treatment in aquariums, ensuring consistently clear, low-germ, and healthy water conditions. By introducing controlled amounts of ozone, it effectively breaks down organic pollutants, bacteria, and dissolved contaminants—without disrupting the aquarium's biological balance. This compact and reliable unit is suitable for both freshwater and marine aquariums and is easy to install and operate. When used in combination with a compatible protein skimmer or ozone reactor, the ozonizer delivers maximum efficiency and visibly improves water quality. The Sander Ozonizer Model C stands for precision engineering, safety, and long-lasting performance—ideal for aquarists who value crystal-clear water and a stable aquatic ecosystem.

Power Supply for Ozonizer – Reliable Power Source for Sander Ozonizers Key Features: Original power supply for Sander ozonizers Ensures stable and safe power delivery Durable, efficient, and maintenance-free Easy to install and highly reliable in operation Compatible with various Sander models Product Description: The power supply for ozonizers is the matching original replacement part for Sander ozonizers and ensures a reliable and consistent power supply for your device. Thanks to high-quality components, the power supply offers a long service life and protects the ozonizer against voltage fluctuations or overload. It is quick and easy to connect, providing safe and uninterrupted operation. Ideal as a replacement or backup power supply for Sander ozonizers – robust, precise, and designed for maximum operational safety.

Sander Ozonizer Model C – Effective Water Treatment for Aquariums Key Features: Ozonizer for improving water quality Reduces germs, bacteria, and organic pollutants Provides crystal-clear, oxygen-rich water Easy to install and safe to use Suitable for both freshwater and marine aquariums Product Description: The Sander Ozonizer Model C is a high-performance device for water treatment in aquariums, delivering consistently clear, low-germ, and healthy water conditions. Through the controlled addition of ozone, it effectively breaks down organic pollutants, bacteria, and dissolved substances—without disturbing the aquarium’s biological balance. This compact, reliable unit is suitable for both freshwater and marine tanks and is easy to install and operate. When combined with a compatible protein skimmer or ozone reactor, the ozonizer achieves maximum efficiency and visibly enhances water quality. The Sander Ozonizer Model C stands for precision engineering, safety, and long-lasting performance—ideal for aquarists who value crystal-clear water and a stable ecosystem.

Sander Ozonizer Model C – Effective Water Treatment for Aquariums Key Features: Ozonizer for improving water quality Reduces germs, bacteria, and organic pollutants Provides crystal-clear, oxygen-rich water Easy to install and safe to use Suitable for both freshwater and marine aquariums Product Description: The Sander Ozonizer Model C is a high-performance device for water treatment in aquariums, delivering consistently clear, low-germ, and healthy water conditions. Through the controlled addition of ozone, it effectively breaks down organic pollutants, bacteria, and dissolved substances—without disturbing the aquarium’s biological balance. This compact, reliable unit is suitable for both freshwater and marine tanks and is easy to install and operate. When combined with a compatible protein skimmer or ozone reactor, the ozonizer achieves maximum efficiency and visibly enhances water quality. The Sander Ozonizer Model C stands for precision engineering, safety, and long-lasting performance—ideal for aquarists who value crystal-clear water and a stable ecosystem.

Limewood Air Diffuser – Natural Oxygen Supply with Ultra-Fine Bubbles Key Features: Made from high-quality limewood – 100% natural product Produces ultra-fine air bubbles with minimal pressure loss Suitable for freshwater and marine aquariums Ensures optimal gas exchange and oxygenation Especially durable and efficient Made in Germany Product Description: The Sander Limewood Air Diffuser is a high-quality air stone made from German limewood and impresses with its fine bubble production at low pressure. Thanks to the natural properties of the wood, it provides consistent and ultra-fine oxygen supply, optimizing gas exchange in the aquarium and improving the well-being of its inhabitants. This wooden diffuser is suitable for both freshwater and marine aquariums, highly efficient, and completely biodegradable—an ideal solution for aquarists who value quality and sustainability. Available in the following sizes: No. 1 (19 x 19 x 36 mm) No. 2 (19 x 19 x 54 mm) No. 3 (19 x 24 x 36 mm) No. 4 (30 x 30 x 88 mm)

Limewood Air Diffuser – Natural Oxygen Supply with Ultra-Fine Bubbles Key Features: Made from high-quality limewood – 100% natural product Produces ultra-fine air bubbles with minimal pressure loss Suitable for freshwater and marine aquariums Ensures optimal gas exchange and oxygenation Especially durable and efficient Made in Germany Product Description: The Sander Limewood Air Diffuser is a high-quality air stone made from German limewood and impresses with its fine bubble production at low pressure. Thanks to the natural properties of the wood, it provides consistent and ultra-fine oxygen supply, optimizing gas exchange in the aquarium and improving the well-being of its inhabitants. This wooden diffuser is suitable for both freshwater and marine aquariums, highly efficient, and completely biodegradable—an ideal solution for aquarists who value quality and sustainability. Available in the following sizes: No. 1 (19 x 19 x 36 mm) No. 2 (19 x 19 x 54 mm) No. 3 (19 x 24 x 36 mm) No. 4 (30 x 30 x 88 mm)

Limewood Air Diffuser – Natural Oxygen Supply with Ultra-Fine Bubbles Key Features: Made from high-quality limewood – 100% natural product Produces ultra-fine air bubbles with minimal pressure loss Suitable for freshwater and marine aquariums Ensures optimal gas exchange and oxygenation Especially durable and efficient Made in Germany Product Description: The Sander Limewood Air Diffuser is a high-quality air stone made from German limewood and impresses with its fine bubble production at low pressure. Thanks to the natural properties of the wood, it provides consistent and ultra-fine oxygen supply, optimizing gas exchange in the aquarium and improving the well-being of its inhabitants. This wooden diffuser is suitable for both freshwater and marine aquariums, highly efficient, and completely biodegradable—an ideal solution for aquarists who value quality and sustainability. Available in the following sizes: No. 1 (19 x 19 x 36 mm) No. 2 (19 x 19 x 54 mm) No. 3 (19 x 24 x 36 mm) No. 4 (30 x 30 x 88 mm)

Limewood Air Diffuser – Natural Oxygen Supply with Ultra-Fine Bubbles Key Features: Made from high-quality limewood – 100% natural product Produces ultra-fine air bubbles with minimal pressure loss Suitable for freshwater and marine aquariums Ensures optimal gas exchange and oxygenation Especially durable and efficient Made in Germany Product Description: The Sander Limewood Air Diffuser is a high-quality air stone made from German limewood and impresses with its fine bubble production at low pressure. Thanks to the natural properties of the wood, it provides consistent and ultra-fine oxygen supply, optimizing gas exchange in the aquarium and improving the well-being of its inhabitants. This wooden diffuser is suitable for both freshwater and marine aquariums, highly efficient, and completely biodegradable—an ideal solution for aquarists who value quality and sustainability. Available in the following sizes: No. 1 (19 x 19 x 36 mm) No. 2 (19 x 19 x 54 mm) No. 3 (19 x 24 x 36 mm) No. 4 (30 x 30 x 88 mm)