1/2 to 1" For 720A Pressure Vacuum Breakers Canopy | WLP7213

1-1/4 to 2" Epoxy Painted Cast Iron Air Gap For 975XL/975XL2 Reduced Pressure Principle Backflow Preventers Adapter | WLPAG5

1/2 to 1" For 720A Pressure Vacuum Breakers Poppet Assembly | WLP721300

3/4" 1" For 950XL/XLT DC and 975XL Double Check Backflow Preventers Poppet Assembly | WLP952300S

1-1/4 to 2" For 975XL RP or 950XL/XLT Double Check Backflow Preventers Poppet Assembly | WLK954300S