C1112 Air Filter - main applications: BECKER-KOMPRESSOREN Rotary vane vacuum pump, oil-lubricated, Side Channel vacuum pump blower. BUSCH VACUUM PUMPS Dry-sealed rotary vane vacuum pump, R-Serie, Rotary vane vacuum pump, oil-lubricated. RIETSCHLE Rotary vane compressors, oil-free, Rotary vane