Marina 200 Aeration Kit Recovery Collars & Accessories The outer sleeve is made

The outer sleeve is made from extra-strong neodymium glass

toxic at elevated levels

Developed to have high bounce

PAR sensor hides nicely in aquarium inside Real Reef Rock

This powerful formula quickly establishes beneficial bacteria

Marina 200 Aeration Kit Recovery Collars & Accessories The outer sleeve is madeThe Marina 200 Aeration is the perfect all in one solution for all your aquarium aeration needs. It has everything you need to create stunning aeration displays. The Marina 200 Aeration is ideal for aquariums up to 225 L (60 US Gal). Key Features: 1 x Marina 200 Air Pump 1 x Marina Air Stone,15 cm (6 in.) 1 x Marina Bubble Disk, 7. 5 cm (3 in.) 1 x Marina Airline Tubing, 6 m (20 ft.) 2 x Marina Check Valves