Highpass cutoff as a cycle length in samples. Give this or hp_cutoff.
Lowpass cutoff as a cycle length in samples. Give this or lp_cutoff.
Highpass cutoff as a fraction of Nyquist in (0, 1). Give this or hp_period.
Lowpass cutoff as a fraction of Nyquist in (0, 1). Give this or lp_period.
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
Ehlers bandpass, a highpass then a SuperSmoother.