At current list prices and nominal replacement intervals, PD800-TAM4 replacement filters annualize to about $109 per year.
ASR211
ASR211 contributes $33.99 per year at the nominal 12-month interval.
ASR212-800G
ASR212-800G is $89.99 every two years, or about $45 per year when annualized.
FZ-4
FZ-4 contributes another $29.99 per year on the nominal schedule.
Total
The three cartridges total roughly $109 per year on a list-price, manufacturer-interval basis.
How to verify fit before buying Frizzlife PD800 Replacement Filter Cost per Year
Treat compatibility as a model-number decision, not a shape-matching exercise. Start with the appliance or system model label, then confirm the exact cartridge or replacement code listed by the manufacturer. Similar-looking filters can use different tabs, seals, RFID features or bypass interfaces, so a cartridge that appears to fit can still leak, restrict flow or fail to lock correctly.
For aftermarket replacements, separate physical compatibility from filtration performance. A seller can correctly state that a cartridge fits a refrigerator while the contaminant-reduction scope differs from the original filter. If lead, cysts, PFAS or another health-related claim matters, verify the exact replacement model in the current certification or performance documentation rather than assuming an OEM-equivalent claim set.
Compare recurring cost, availability and replacement risk
Replacement products should be evaluated over several service cycles. Multiply the current cartridge price by the realistic replacement frequency, add shipping, and check whether the same model is consistently stocked. A low first-purchase price is less useful if the cartridge becomes difficult to source or if replacement intervals are short.
Watch for vague phrases such as “uses certified media” or “tested to a standard.” Finished-product certification is stronger evidence than a statement about one component. For marketplace listings, clear manufacturer identity, exact model numbers, return policies and traceable certification reduce the risk of counterfeit-style or poorly fitting replacements.