industrial air blow gun with brass adjustable air flow nozzle and 2 steel air flow extension, pneumatic air compressor accessory tool dust cleaning air blower gun jastind <b>specification:</b><br> air inlet : 1/4" quick coupling<br> air inlet type:bottom or top<br> maximum air velocity:17.7cfm<br> operating pressure : 80-110psi<br> maximum pressure:110psi <br> noise level:71db<br> all metal construction:<br> copper alloy accessories(valve screw,air flow nozzle,quick coupling)<br> silver chromed zinc alloy blowgun body<br> steel&copper air flow extension<br><br> <b>notes:</b><br> this pneumatic blow gun needs an air compressor with 1/4" female coupling as air source, suggested working pressure is 80-110psi.<br> this air blow gun with 2 way air inlet,please refer to the picture above.exchange screw plug and quick coupling to let air in from top or bottom.<br> don't take the blow gun apart,or it will leads to air leakage and unfixed damage. please read the user manual carefully before use this tool.<br> <b>what's in the box?<b> 1xjastind premium air blow gun 2xair flow extension 1xuser manual