PFTop filter hide
As filter rule can be used only with states https://www.freebsd.org/cgi/man.cgi?query=pftop&apropos=0&sektion=0&manpath=FreeBSD+12.1-RELEASE+and+Ports&arch=default&format=html:
STATE FILTERING The expression filter selects which states will be displayed. It is based on the tcpdump filtering language. The following is based on the tcpdump manual page, modified for state filtering.
it must be hidden for the 'queue', 'label' and 'rules' views.