This is a new Quality Waterbed Air Extractor.
After filling a bed with water there will be residue air inside. This causes noisy air bubbles. The pump can be used to remove this air from the waterbed mattress.
The screw fitting on the pump fits all standard waterbed mattresses.
This is a new extractor pump. This is a simple but top quality pump which will give many years of service and will outlive your waterbed.