High quality miniature pumps, ideal for the electronics (cooling), medical or aeronautical industries, and research & development of portable equipment. RS miniature pumps use the centrifugal principle and give a smooth pulseless flow. They are exceptionally quiet and reliable. Body Material = Anodised Aluminium Wetted Materials = 316 Stainless Steel, Anodised Aluminium, EPDM, Polyacetal, Viton IP Rating = IP67