Mini Scuba Tank With Sub-Mask, 0.5L Portable Small Diving Tank For Underwater Breathing, Reusable Lung Diving Cylinder Up To 10 Minutes Dive Time, Emergency Rescue Pony Bottle For Snorkeling

About these items Diving Duration & Depth: Tanks offer varied diving times and max depths. 0.5 L tanks provide 5 - 10 minutes at 9.8 - 16.4 ft, 1 L tanks 15 - 20 minutes at up to 98.43 ft, and 1.9 L tanks 30 - 35 minutes at 32.8 ft, suiting different diving needs. Construction: Made of aviation - grade aluminum, they're pressure - resistant (20 MPa), corrosion - proof, and have crack - resistant silicone mouthpieces. Breathing Comfort: Feature advanced pressure - regulating systems for smooth, stable airflow. Some have external explosion - proof discs for overpressure protection. Refilling: Multiple refill methods include air compressors, manual pumps, or large - tank connections via adapters. Portability: Come with carrying solutions like backpacks, shoulder bags, or lanyards. Empty tanks are often airline - checkable. Key Difference Capacity: Ranging from 0.5 L to 1.9 L, which impacts diving time. Max Depth: Varies from 3 m (9.8 ft) to 30 m (98.43 ft). Specifications C400 Model: C400 Capacity: 1 L Pressure: 20MPa Usage Time: 15 - 20 min Max Depth: 98.43 ft / 30 m Material: Aluminum 6061 Weight: 6.28 lbs / 2.85 kg Dimensions: 3.20 x 15.67 in / 81.3 x 398 mm S700PLUS - US Model: S700PLUS - US Capacity: 0.5 Gal / 1.9 L Max Pressure: 20 MPa Max Depth: 32.8 ft / 10 m Material: Aluminum Weight: 12.8 lbs / 5.8 kg Tank Size: Φ4.4 x 13.6 in / Φ111.5 x 345 mm Wall Thickness: 0.3 in / 7.4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Hose Length: 33.5 in / 850 mm S700PLUS - 2 Model: S700PLUS - 2 Capacity: 0.5 Gal / 1.9 L Max Pressure: 20 MPa Max Depth: 32.8 ft / 10 m Material: Aluminum Weight: 9.3 lbs / 4.2 kg Tank Size: Φ4.4 x 13.6 in / Φ111.5 x 345 mm Wall Thickness: 0.3 in / 7.4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Hose Length: 33.5 in / 850 mm S400PLUS - US Model: S400PLUS - US Capacity: 0.26 Gal / 1 L Max Pressure: 20 MPa Max Depth: 16.4 ft / 5 m Material: Aluminum Weight: 11.2 lbs / 5.1 kg Tank Size: Φ3.5 x 12.8 in / Φ89 x 325 mm Wall Thickness: 0.23 in / 5.9 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Filter Rod Dia: Φ0.66 in / 16.8 mm Filter Rod Len: 1.7 in / 43 mm Pump Size: 24.6 x 10.4 in / 625 x 265 mm Adapter Size: 5.3 x 2.4 x 0.9 in / 135 x 60 x 23 mm Hose Length: 33.5 in / 850 mm S300 - 3 Model: S300 - 3 Capacity: 0.13 Gal / 0.5 L Max Pressure: 20 MPa Max Depth: 16.4 ft / 5 m Material: Aluminum Weight: 3.3 lbs / 1.5 kg Tank Size: Φ2.4 x 11.8 in / Φ60 x 300 mm Wall Thickness: 0.2 in / 4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Adapter Size: 5.3 x 2.4 x 0.9 in / 135 x 60 x 23 mm S300 - 1 Model: S300 - 1 Capacity: 0.13 Gal / 0.5 L Max Pressure: 20 MPa Max Depth: 16.4 ft / 5 m Material: Aluminum Weight: 7.5 lbs / 3.4 kg Tank Size: Φ2.4 x 11.8 in / Φ60 x 300 mm Wall Thickness: 0.2 in / 4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Filter Rod Dia: Φ0.7 in / Φ16.8 mm Filter Rod Len: 1.7 in / 43 mm Pump Size: 24.6 x 10.4 in / 625 x 265 mm S300PLUS - US Model: S300PLUS - US Capacity: 0.13 Gal / 0.5 L Max Pressure: 20 MPa Max Depth: 9.8 ft / 3 m Material: Aluminum Mask Material: PC, Liquid Silicone Weight: 9.7 lbs / 4.4 kg Tank Size: Φ2.4 x 11.8 in / Φ60 x 300 mm Wall Thickness: 0.2 in / 4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Filter Rod Dia: Φ0.7 in / Φ16.8 mm Filter Rod Len: 1.7 in / 43 mm Pump Size: 24.6 x 10.4 in / 625 x 265 mm S300 - 2 Model: S300 - 2 Capacity: 0.13 Gal / 0.5 L Max Pressure: 20 MPa Max Depth: 16.4 ft / 5 m Material: Aluminum Weight: 3.3 lbs / 1.5 kg Tank Size: Φ2.4 x 11.8 in / Φ60 x 300 mm Wall Thickness: 0.2 in / 4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male S300PLUS - 1 Model: S300PLUS - 1 Capacity: 0.13 Gal / 0.5 L Max Pressure: 20 MPa Max Depth: 9.8 ft / 3 m Material: Aluminum Mask Material: PC, Liquid Silicone Weight: 4.9 lbs / 2.2 kg Tank Size: Φ2.4 x 11.8 in / Φ60 x 300 mm Wall Thickness: 0.2 in / 4 mm Thread: M18 x 1.5 Mouthpiece: Silicone Refill Port: 0.3 in / 8 mm male Package Content C400 1 x 1L Scuba Tank 1 x Refill Adapter 1 x Carry Bag 1 x Instruction Manual S700PLUS - US 1 x Mini Scuba Tank 1 x Backpack 1 x Aluminum Alloy Case 1 x Accessory Kit S700PLUS - 2 1 x Mini Scuba Tank 1 x Backpack 1 x Accessory Kit S400PLUS - US 1 x Mini Scuba Tank 1 x High - Pressure Manual Pump 1 x Scuba Tank Refill Adapter 1 x Pair of Scuba Goggles 1 x Backpack 1 x Storage Bag S300 - 3 1 x Mini Scuba Tank 1 x Scuba Tank Refill Adapter 1 x Lanyard 1 x Accessory Kit S300 - 1 1 x Mini Scuba Tank 1 x High - Pressure Manual Pump 1 x Shoulder Bag 1 x Lanyard 1 x Accessory Kit S300PLUS - US 1 x Mini Scuba Tank 1 x Diving Mask 1 x High - Pressure Manual Pump 1 x Accessory Kit S300 - 2 1 x Mini Scuba Tank 1 x Shoulder Bag 1 x Lanyard 1 x Accessory Kit S300PLUS - 1 1 x Mini Scuba Tank 1 x Diving Mask 1 x Accessory Kit