BOSTITCH BTFP12237 3-Tool Compressor Combo Kit 150 max PSI 6 gallon tank and 2.6 SCFM delivered at 90PSI pump Large 6-gallon reserve tank with ball-type drain valve for easy drainage Impact-resistant composite shroud protects gauges against damage Adjustable depth guide sets nails to desired depths quickly and conveniently Tool-free adjustable exhausts directs air away from the user