Why aluminum is used in immersion cylinders

DIDEEP Portable Oxygen Bottle Pump Swimming Equipment Air Pumps Pressure Tool

Package size: 58.5 * 11 * 5.5cm / 23.03 "* 4.33" * 2.17 "
Inflating the high pressure gas bottle: 0.5L gas bottle is about 400, about 6-7 minutes
◆ Made of high quality metal, rustproof and durable.
◆ The high pressure air pump by hand with an oil-water separator compresses dry and clean air into the oxygen cylinder.
◆ Easy to pump, convenient to use, time and labor saving.
◆ With a pressure gauge, you know when to stop inflating.
◆ Portable and practical essential accessories for diving.
◆ Open the folding base
◆ Connection between high pressure air pump and breathing apparatus
◆ Rotate the high pressure air pump relief valve
◆ Start playback when the pointer reaches 20 MPa and stop inflating
◆ Unscrew the pressure relief valve of the high pressure air pump
◆ Open the air cylinder and the cylinder. The connection is complete
1 x installation accessories kit
- Due to different production batches, the product details may be a little different.
-Please allow 1-3CM differs due to manual measurement.
- Due to the different display and light, the picture may not reflect the actual color of the item. Thank you for your understanding.