Is the STLTH ECO BOX Disposable refillable? June 16, 2025 21:17 No, the STLTH ECO BOX comes pre-filled with 10mL of e-Liquid and is designed as a non-refillable disposable. Related articles Q: Why should I buy the STLTH ECO BOX disposable? Are STLTH pods recyclable? Does the device have a display screen? Is STLTH owned or affiliated with a big tobacco company? What is the e-Liquid capacity?