Astral Tri Barrel Union O'Ring - EiXpert Tri-OX MagnaPool eXo Genuine Astral Tri Barrel Union O'ring
 
Genuine Part Number - R0737700
Barrel Union O'Ring
Suits the following chlorinators and hydroxinators
Tri-XO Crossover Series
MagnaPool Hydroxinator
iQ Salt Chlorinator
Tri Chlorinator eXo iQ eXO iQ pH
Hydroxinator iQ pH
Ei Xpert Salt Chlorinator
EL Series eXO iQ Pro
MagnaPool Hydroxinator