Add to Cart Quick view O Oasis, 4-String Ukulele, Original Version (OH-18) O Oasis MSRP: Now: $21.95 Was: Oasis Ukulele Humidifier. With two unique features, the mounting system allows the humidifier to hang horizontally inside the ukulele rather than vertical (like the guitar humidifier). Secondly, the... MSRP: Now: $21.95 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $21.95 Was: Subtotal: Add to Cart