16" X 5" X 1 1/4" AH 16 PLY #4 Density Firm White Treated Airway. These commercial airways are superior in quality because they are #4 density. This means they have more material in each buff verses the standard #2 density.
ALL AIRWAY BUFFS REQUIRE THE APPROPRIATE DOMED FLANGE. See Airway Flanges.
Safety first – Always wear adequate & proper EYE, EAR, FACE, BODY and RESPIRATORY PROTECTION while polishing and buffing.