Hand operated combined water and air pump - has resilient bag with connection each end and filter plate in one connection

摘要

The pump suitable for inflating pneumatic mattresses, is also suitable for pumping water, and can be used for watercraft where it is necessary to discharge water. The pump has a chamber (6) enclosed by a flexible skin (8) incorporating two hand grips (10), and with ends (8) which are forced together for a pumping action. At one end is a connection (3) for a tube (5) which can be the delivery tube. At the other end is a second connection (4) for a second tube which can be the suction tube. This connection incorporates a coarse filter disc (9).