5pc Duel Coil XL Cartomisers Low Resistance, (1.5 ohms, + or - 0.2 ohms), Now you can see when your cartomizer needs filled. Get a new Atomizer every time you put a new cartomizer. These cartomizers can be refilled many times. Can be used with the Joye Ego-T, Joye Super eGo, Joye eGo, Joye 510 and Joye 510 Mega Batteries. Holds approx. 1.8ml of e-juice. Great for people on the go. Never have to purchase filters, cartridges again! Low resistance (1.5 ohms, + or - 0.2 ohms) 1.8-2ml Capacity Tip: All cartomisers must be kept wet! we recommend using drip tips on them.(510/901 Aluminum driptip, 901/510 Chrome Drip Tip,and 510/901 Delrin Drip Tip). See Video on how to fill Duel Coil XL Cartomizers CLICK HERE!