We purchased these to have on hand for replacement when needed. Very happy with the quality, ease of ordering, and shipping time. Thank you!
Thank you for the review, Jennifer. Great idea to have replacement disks on hand. Using distilled water prevents hard water build up - The Hatching Time Team
Replacement Disk (3 Pack with Key) - Fits Humisonic Humidifier
Thank you for the review, William. The Hatching Time Team