Milton (S-148) 1/4" NPT Lever Blow Gun - Rubber and Safety Tip Nozzles INCLUDES: Mar-resistant rubber tip and safety tip to avoid knicks/scratches on paint or other fine surfaces. IDEAL: For removing debris, drying off fluids, blowing out air lines, easy project clean-up, and offering a tight and leak-proof fit in narrow spaces. PSI: 150 max working pressure. Rubber Tip: 12.9 SCFM at 100 PSI. Safety Tip: 11.7 SCFM at 100 PSI. NPT: 1/4" national pipe thread air inlet. REPLACEMENT PARTS: Milton #P148-4 (1/4 NPT) for this S-148 blow gun. Milton #S-152 replacement rubber tip (1/8 NPS) for other 7/16"-27 blow guns.