【Powerful Oxygen Purification】- The outgassing is evenly refined and the bubbles out are fine, which can increase the oxygen content, reduce the carbon dioxide and increase the PH value, making your fish’s underwater environment more purified.
【High-quality Materials】- Made of high-quality white jade, silicon carbide and emery materials, environmentally friendly and durable, with a dissolved oxygen level of up to 99%, several times higher than ordinary air bubbles, which is a premium choice for your aquarium.
【Easy to Clean】- ABS thermoplastic engineering plastic air inlet has superior corrosion resistance, bright and easy to clean. If the air hole is blocked, it can be cleaned with a brush, which is very convenient.
【Wide Application】- These fish tank air oxygen cakes are very suitable for fresh water, can be used in fish tanks, aquariums, water treatment, aquaculture and other place, having a wide range of uses and can create a more purification effect for your water environment.
【Notification】- Please soak the air stones in water for at least one hour before use! You can choose a trachea with a diameter of 4mm or 8mm according to your needs. Since the diameter of the product is 4’’, we recommend a suitable fish tank size of 90-220cm (35.43-86.61inch) for you.
Fitness tracker with LCD full touch: running watch with large intuitive 1.05 inch colour display for quick access to health data, analysis of pace, distance, calories burned, SWOLF
Waterproof sports watch: activity tracker with protection class IP68 is ideal for water sports (swimming, surfing), blood pressure measurement for training in the optimal heart rate range, 14 sports selectable
Control and display notifications: control smartphone music via heart rate monitor, vibration alarm and display with message preview to WhatsApp, Instagram, Facebook, SMS, calls, emails
Multifunctional everyday helper: additional functions such as sleep analysis, vibration alarm clock, phone search (even when silent), non-disturb mode, weather forecast, torch, movement/drink reminder
Box contents: 1x “Fit Track 3910” smartwatch with colour display and various Display designs such as dials, 6 days battery life and universally compatible charging via USB-A, 1 x user manual (English language not guaranteed)
