Genuine Replacement Filter Cartridge for Alpine Spa CD20 ModelsKeep your Alpine spa running clean and clear with this genuine replacement filter cartridge, engineered specifically for Alpine spa models that use the CD20 filter. Alpine spas are designed for reliable, year-round performance — and that reliability starts with a well-maintained filtration system. Replace your filter on schedule and enjoy water that looks, feels, and smells fresh every time you step in.Key Features Spa Compatibility: Designed for Alpine spa models fitted with the CD20 filter cartridge — always verify your filter code against your owner's manual before ordering OEM Part Number: CD20 Pleated Filter Media: High surface-area pleated fabric efficiently traps body oils, sunscreen residue, fine particles, and organic matter to maintain water clarity Protects Pump & Heater: A clean filter ensures unrestricted water flow, reducing strain on the circulation pump and heating element and extending their service life Easy Drop-In Replacement: No tools required — simply lift out the old cartridge, rinse the housing, and drop in the new CD20 Maintenance Schedule: Rinse with a garden hose every 2–4 weeks; deep-clean with a dedicated filter cleaning solution every 3 months Annual Replacement: Replace every 12 months, or sooner if the cartridge shows signs of damage, persistent discolouration, or reduced jet pressure Signs It's Time to Replace Your FilterIf your spa water is staying cloudy despite balanced chemicals, your jets feel weaker than usual, or your filter won't come clean after a thorough soak — it's time for a fresh CD20 cartridge. Don't wait for water quality issues to escalate; a new filter is the most cost-effective maintenance step you can take.Fitting InformationSwitch off your Alpine spa before removing the filter. Access the filter housing (typically located beneath the filter lid near the waterline), remove the spent cartridge, wipe out the housing, and install the new CD20. Refer to your Alpine spa owner's manual for model-specific access and installation guidance.Pro tip: buy a spare cartridge at the same time so you can rotate filters — one soaking in cleaner while the other keeps your spa running. Your water quality will thank you.
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