Anyone used these? Any specific brands, applications or feedback?
Going to be collecting and transporting some fish. Will, of course, use battery air pumps but batteries die, airlines fall out and want a fail safe.
Also, anyone used them for shipping bags in place of oxygen?
Going to be collecting and transporting some fish. Will, of course, use battery air pumps but batteries die, airlines fall out and want a fail safe.
Also, anyone used them for shipping bags in place of oxygen?