3 aircraft and 3 cabin layouts, from the 195 to the A321LR. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 3 Arkia aircraft here: the Airbus A320, the Airbus A321LR and the Embraer 195.
The Airbus A321LR, with 220 seats: 220 Economy in its main layout.
The Airbus A321LR, with 30" of seat pitch in Economy and seats 18" wide.