Two new KNF swing-piston pumps have been introduced to transfer, evacuate, or compress air or inert gas and deliver oil-free performance without any risk of contamination. The new models include a compact and efficient 3.3 l/m micro pump and a 25 l/m mid-size version with both providing vacuum or pressure capabilities. Their addition broadens the KNF swing-piston product line to include pumps offering flow ranges of 3.3 l/m, 9 l/m, 18 l/m, 25 l/m, 50 l/m and 78 l/m with vacuums to 27.6 in. Hg and pressures up to 100 psig., depending on type. KNF www.knf.com 609-890-8600