Gast 2AM-43A-AF20 Gear Air Motor (4 Vanes, Reversible) Net wt. 24 lbs (10,9 kg) FEATURES 20:1 gear reducer Flange mounting Base-mounted Metal muffler AC980 provided not shown AC980 adds 2″ height when installed RECOMMENDED Filter AH103F Regulator AH104R Gauge AA806 Lubricator AH105L Oil AD220 – 1 quart (.94 litres) Repair kit K509