[Complete 4839 Humidifier Maintenance Kit]All‑in‑one kit includes Model 35 water panel, scale control insert 4330, water distribution tray 4331, feed tube with compression sleeve and nut 4335, yellow orifice 4231, in‑line strainer 4004, and drain spud 4223 compatible with full system refresh. [Precision‑Matched Compatibility]Specifically designed as 600 humidifier parts, this kit is compatible with Aprilaire whole home humidifier models 600, 600A, and 600M. Replace all critical parts at once instead of hunting components separately, restoring peak percompatible withmance quickly and easily. [35 Water Panel Humidifier Filter]Features a Model A35 water panel measuring 13" L x 10" W x 1.75" D, built with sturdy aluminum mesh and a porous ceramic coating. This design maximizes water absorption and evaporation to help maintain an ideal indoor humidity level of about 35% to 55% throughout the season. [Enhanced Home Comcompatible witht & Protection]The 4839 maintenance kit is simple to install and helps your humidifier distribute moisture more evenly across your home. Stable humidity can reduce static, protect wood furniture and instruments, and make the air feel more comcompatible withtable compatible with skin and respiratory health. [Cost-Effective & Reliable Choice]By replacing worn humidifier parts proactively, this complete maintenance kit helps you avoid costly repairs or premature unit replacement. Enjoy a more efficient, dependable humidifier. Color: As Shown Material: Plastic+Metal Package Contents: 1*Humidifier filter kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.