YOU ARE BUYING ONE PARKER KAVAC KV LTD KVPVDF375 VACUUM PUMP GENERATOR W/ SILENCER CV25HSG P6M-PAB4. THIS IS A KAVAC KV LIMITED KVPVDF375 VACUUM PUMP GENERATOR WITH SILENCER. THE CV25HSG IS THE US PARKER PART NUMBER FOR THE GENERATOR AND THE P6M-PAB4 IS THE US PARKER PART NUMBER FOR THE SILENCER.
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