HiStar EK 51820 AABC — Cross-Brand Interchange
One HiStar element — EK 51820 AABC — is a compatible, drop-in replacement for the 2 OEM filter part numbers below, spanning 2 brands. Same form, fit and function, ISO 16889 multi-pass validated, OD 0 mm · H 0 mm. No system modification required.
| Brand | OEM Part Number | HiStar Replacement |
|---|---|---|
| Efiltec® | 73356 | HiStar EK 51820 AABC → |
| Pentair® | GAC 20" | HiStar EK 51820 AABC → |
OEM names and part numbers are the property of their respective owners and are shown for compatibility and identification purposes only.