Replacement head for 10" & 20" Big Blue housing Single O Ring or Double O ring type , 3/4" or 1 "port.
- 20" x 4.5" : 105866, 105867 , 105854, 105855, 105858 and 105859
- 10" x 4.5" : 105861, 105860 , 105844, 105845, 105850 and 105851
Single O ring type 3/4" or 1" port head is for flowing part#
- For Single O ring 3/4" and 1 " Port
- 20" x 4.5" : 105862, 105863 , 105852, 105853, 105856 and 105857
- 10" x 4.5" : 105868, 105869 , 105846, 105847, 105848 and 105849

Double O ring type 3/4" or 1" port head is for flowing part#

Double O ring 20" BB 1" NPTF brass port with 1/8" gauge Hole
Clear housing 105877c, Blue housing 105878c, For double O ring 1 "Brass Port