This holds the most water out of what I could find so far and the price is relatively decent

OliveTech Aromatherapy Essential Oil Diffuser Humidifier, 1500ml Ultrasonic Cool Mist Humidifier with Color Changing LED Lights and Automatic Shut-Off for Home Office Bedroom https://www.amazon.com/dp/B071HV6KRZ/ref=cm_sw_r_cp_apa_i_chNFCbXJ2NYXK