The three-stage cartridge that makes the Kilde Zeroscale™ Fountain scale-free: drool pre-screen, coconut-shell activated carbon, and food-grade ion-exchange softening resin. Swap it in five seconds every 4 weeks (sooner in very hard water). Never wash — just replace.
Membership refill — one cartridge + a cleaning sponge, delivered every 4 weeks. Pump replaced free for life while you're a member. Pause, skip or cancel in one click.
3-pack — 12 weeks of cartridges for fountain-only owners.
