The document provides specifications for tubing, including minimum and maximum dimensions of 1.15 and 1.50 for tubing. It also lists dimensions for manual station junction boxes that are 4" x 2" and a sound diffuser junction box that is 4" x 4" and is 2.30m with another manual station junction box listed as 4" x 2".

1. TUBERIA
1.15(MINIMO)
1.50(MAXIMO)
TUBERIA
ESTACION MANUAL
CAJETIN 4" x 2"
1.15(MINIMO)
1.50(MAXIMO)
TUBERIA
ESTACION MANUAL
CAJETIN 4" x 2"
1.15(MINIMO)
1.50(MAXIMO)
DIFUSOR DE SONIDO
CAJETIN 4" x 4"
2.30m
ESTACION MANUAL
CAJETIN 4" x 2"