SUFULUNO 1980 Humidifier Replacement Bottle Caps with Valve Assembly Compatible with Essick-Air AIR-Care Alliance, Credenza and Executive 400, 600, H12 Series Humidifiers - 2 Pack

["1. Compatible with AIR-CARE and Essick-Air models including Alliance, Credenza and Executive 400, 600, H12 series humidifiers, Fits 4DTS900, 4DTS300, 447400HB, H12300HB, H12400HB, H12600, 696400HB, 696800","2. High-quality humidifier bottle caps designed to replace worn-out or damaged caps on AIR-CARE and Essick-Air humidifiers, ensuring proper water flow and performance.","3. Made with durable materials, these bottle caps feature an elastic spring for extended use, providing long-term reliability for your humidifier.","4. Equipped with an adjustable valve assembly, these bottle caps allow for customized humidity control for optimal comfort in your home or office.","5. The set includes two replacement bottle caps, Replacement for Parts: 1980, 1B-5060000, 1B5060000."]