AQUAROBO 819 Pro Dive Systems Diving Ventilator Diving Scuba Tanks,Diving Tanks Portable Rechargeable Scuba Tanks Diving System (Used Products, Not Returnable Once Sold)

【The difference between versions.】: AQUAROBO 819 has a total of 3 versions, 4.5H 10H 8H 3 versions. 4.5 hours for the basic version. 4.5 hours version on the basis of the upgrade out of 10 hours ultra-long version. 8 hours version is the professional level version used by professional divers or dive rescuers, and the 8 hours version can satisfy two people to use it at the same time. It can be used in complex waters.

【Air supply】: AQUAROBO 4.5H~10H diving ventilator has a capacity of 62L/min~117L/min(8Hours) and sufficient air supply to ensure smoother breathing. Due to secondary sales of products, the data may have some differences, please test the record before diving to ensure diving safety.

【Diving depth】: AQUAROBO diving system has a continuous range of 4.5~ 10 hours when fully charged,supporting a maximum diving depth of 49~89 feet.The AQUAROBO diving system uses powerful motors and high-quality valves, which are wear-resistant and impact resistant, ensuring diving safety.

【Detachable Structure】: The motor cylinder(缸体) and body of the AQUAROBO diving tank are isolated, and the motor cylinder head can be disassembled for easy maintenance. There is no need to be afraid of water ingress, corrosion, and rust. The motor of AQUAROBO diving ventilator is independent and replaceable, without delaying use.

【Tips】：Used dive systems have defects, for the damaged part we will send new parts, but need to be repaired by the buyer. In addition, because it is a second sale, we don't provide return and refund service.