HiStar ET 51A40 ESA — Cross-Brand Interchange
One HiStar element — ET 51A40 ESA — is a compatible, drop-in replacement for the 3 OEM filter part numbers below, spanning 3 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 |
|---|---|---|
| Hayward® | LPHF 20-40-E | HiStar ET 51A40 ESA → |
| Parker Process® | RSCP 400-20 EPP | HiStar ET 51A40 ESA → |
| Peco® | PHF 620-400 L/LE | HiStar ET 51A40 ESA → |
OEM names and part numbers are the property of their respective owners and are shown for compatibility and identification purposes only.