Replacement PCT Filter for Excalibur Smart Purifier Plus Tankless ROThe Smart Purifier Plus PCT Filter (SMF RO1000PCF) is the genuine replacement filter cartridge for the Excalibur Smart Purifier Plus Tankless RO system. Regular filter replacement is essential to maintain water quality, protect the RO membrane, and keep your system running efficiently.What It DoesThe PCT (Post-Carbon Treatment) filter is a multi-stage inline cartridge that handles both pre- and post-membrane filtration in the Smart Purifier Plus's compact 2-stage quick-connect design. It removes chlorine, chloramines, taste, and odour before the membrane, and polishes the purified water after the membrane for crisp, clean taste at your tap.Specifications Model: SMF RO1000PCF Filter Type: PCT (Post-Carbon Treatment) inline cartridge Compatible System: Excalibur Smart Purifier Plus Tankless RO Replacement filter only — image for reference When to ReplaceReplace every 6–12 months. The Smart Purifier Plus system includes a built-in filter replacement indicator to remind you when it's time. Replace sooner if you notice a change in water taste or reduced flow.InstallationUses the Smart Purifier Plus quick-connect system — tool-free filter swap in seconds. Shut off the water supply, twist out the old cartridge, insert the new one, and restore flow. For guidance, visit our System Guide or contact us for support.✅ Authorized Excalibur Dealer — Genuine OEM replacement filter with manufacturer warranty support.