Maximum downstream injector for 8gpm

what injector options are there for a downstreaming with an 8gpm

1.8, 2.1 or 2.3. Most of us use the 2.1 or 2.3. I have both and really can’t tell any difference, though theorectically the 2.1 should pull slightly more

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and what units are you using

Millimeter

no i meant what brands

General Pump - GP

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