Quick take
At current list prices, ASR211 costs $33.99 annually and ASR212-500G costs $76.99 every two years, for an annualized core-filter cost of about $72.50.
ASR211 first stage
ASR211 is shared across several Frizzlife tankless systems and carries a 12-month nominal interval.
ASR212-500G membrane
ASR212-500G is specific to PD500 and carries a two-year nominal interval.
Current list prices
Frizzlife currently lists ASR211 at $33.99 and ASR212-500G at $76.99.
Annualized cost
Using the stated intervals, core replacement cost is about $72.50 per year before discounts and tax.