OAS/OH-1 Oasis guitar soundhole humidifier Blue OAS/OH-5 Oasis guitar soundhole humidifier Yellow Plus+ OAS/OH-6 Oasis case humidifier with magnetic clip and syringe OAS/OH-14 Oasis case humidifier Plus+ OAS/OH-26 Oasis shallow case humidifier with magnetic clip and syringe OAS/OH-18 Oasis ukulele soundhole humidifier OAS/OH-32 Oasis ukulele Plus+ soundhole humidifier OAS/OH-4 Oasis Humigel replacement kit OAS/OH-4+ Oasis Humigel bulk refill kit (sufficient for 20 refills) OAS/OH-R Oasis re-hydrator - not for retail sale - OAS/OH-2 Oasis digital hygrometer OH-2+ OAS/OH-20 Oasis digital hygrometer holder for guitars OAS/OH-30 Oasis digital hygrometer/humidifier combo soundhole mounted OAS/OH-25+ Oasis Quadrest guitar support Plus+ OAS/OH-28 Oasis guitar support (large) OAS/OH-29 Oasis guitar support (small) OAS/OH-22 Oasis Grip-Strip OAS/OH-22+ Oasis Grip-Strip+ OAS/OH-8S Oasis guitar sleeve OAS/OH-8M Oasis guitar sleeve OAS/OH-8L Oasis guitar sleeve OAS/OH-9S Oasis padded guitar sleeve OAS/OH-9M Oasis padded guitar sleeve OAS/OH-9L Oasis padded guitar sleeve OAS/OH-19 Oasis nail shaper for guitarists OAS/OH-21 Oasis double bass humidifier set