1 C.I COUPLER NO. 8 1 2 C.I COUPLER NO. 6 1 3 C.I COUPLER NO. 4 4 4 C.I COUPLER NO. 3 4 5 P.E COUPLER 63MM or 2" 50 6 P.E COUPLER 50MM or 1 1/2" 15 7 P.E COUPLER 40MM or 1 1/4" 15 8 P.E COUPLER 32MM or 1" 10 9 P.E COUPLER 25MM or 3/4" 50 10 P.E COU