Aquael Check Valve – Backventil ytterfilter All-in-one for trace elements: All

All-in-one for trace elements: All essential micronutrients in one product

• Suitable for shrimp and smaller fish

Contents: 40 grams

Dosage for ongoing maintenance

• Sizes: approx

Aquael Check Valve – Backventil ytterfilter All-in-one for trace elements: AllAquael Check Valve Air Hose Check Valve A simple but important safety component for your aquarium. The check valve prevents water from flowing back through the air hose and into the air pump during power outages or if the pump is placed lower than the water surface thereby protecting the equipment from water damage. Suitable for All standard air pumps and air hoses with dimensions 4 6 mm. Suitable for freshwater and saltwater aquariums. Advantages