gas type design 11.4 standard either 13.9 standard either 13.9 standard either 14.0 standard either 15.3 standard either 18.0 standard either 18.0 standard either 18.1 standard either 18.9 standard either 19.0 standard either 19.0 standard either 21.7 standard either 8.3 extra either 11.7 extra either 12.7 extra either 13.0 extra either 13.4 extra either 13.6 extra either 13.7 extra either 13.7 extra either 13.8 extra either 14.6 extra either 15.3 extra either 15.6 extra either 16.0 extra either 18.8 extra either 12.3 standard solar 13.3 standard solar 13.7 standard solar 13.8 standard solar 14.9 standard solar 15.6 standard solar 15.9 standard solar 16.3 standard solar 16.5 standard solar 17.2 standard solar 17.5 standard solar 17.6 standard solar 17.8 standard solar 17.9 standard solar 18.0 standard solar 19.9 standard solar 10.5 extra solar 11.3 extra solar 11.4 extra solar 12.6 extra solar 13.0 extra solar 14.5 extra solar 15.2 extra solar 15.7 extra solar 15.7 extra solar 17.6 extra solar 19.0 extra solar