<p>Maddog Fill Whip Hose Extension enables fast easy fills! Fill your compressed air tank without having to remove it from your pack! 1/8Inch Quick Disconnect Male on one end, 1/8Inch Quick Disconnect Female on the other. These Fill Whips work in Paintball, PCP and any system with compressed air up to 4500psi.</p><p>Features:<br />* Fill your tank without having to remove it from your pack!<br />* Heavy Duty Stainless Steel<br />* 1/8Inch Quick Disconnect Male on one end<br />* 1/8Inch Quick Disconnect Female on the other<br />* Compatible with Compressed Air Tanks up to 4500 psi rated assembly</p><p>DOES NOT WORK WITH CO2!</p>