https://www.jotofluid.com/product/DA32SDC-5V12V--45kPa-Miniature-Diaphragm-Pump-for-Gasair-Small-Electrical-Air-Pump.html
DA32SDC 5V/12V -45kPa Miniature Diaphragm Pump for Gas/air Small Electrical Air Pump
can be mounted in any direction applicable as vacuum and pressure pumps Diaphragm: EPDM
diaphragm pump