Philips FY5133/00 Anti Calc / Antibacterial Cartridge is a genuine replacement cartridge for Philips humidifiers that helps reduce mineral buildup and maintain clean, hygienic humidification

• Reduces mineral deposits and white dust
• Extends humidifier lifespan
• Compatible with Philips 1000 Series (HU1509 / HU1510)
• Replacement cycle: 2–3 months
• Genuine Philips accessory for optimal performance