Your search query on "KNF Other Vacuum Pumps" returned the following results:

Small KNF 12 volt DC electric vacuum /Sample pumps or for other uses (235473197195)

1PCS KNF30 28mm*M3 vacuum pump sampling pump diaphragm MBM45.5 CJ28 (185338575533)

1PC KNF PML5129-NF10 Mini Vacuum Pump Diaphragm Liquid Pump 24V DC 0.15A 3.4W (295174487928)