INDUSTRIAL GRADE EQUIPPED WITH SILENCER TUBES FOR ADDED NOISE REDUCTION. 1 MALE NPT NLET FILTER SILENCER WITH ENCLOSURE. PLEASE NOTE : 1″ MALE NPT MEASURES 1.315″ OUTSIDE TREAD DIAMETER IN LINEAR INCHES. THE COMPARABLE SOLBERG PART # FS-15-100. DIMEMSION OF FILTER ELEMENT IS 2 15/16″H- 4 3/8″ DIA. 30 SCFM…