2 1/2" Lead Free Reduced Pressure Detector Backflow Preventer Assy, Maxim, Grooved Butterfly Shutoffs, Link Check Modules, CFM Meter, N Pattern

3" Lead Free Reduced Pressure Detector Backflow Preventer Assembly, Maxim, Grooved Butterfly Shutoffs, Link Check Modules, Cfm Meter, N Pattern

4 Lfm500N-Bfg-G

2 1/2" Lead Free Reduced Pressure Detector Backflow Preventer Assy, Maxim, Grooved Butterfly Shutoffs, Link Check Modules, CFM Meter, Z Pattern

3" Lead Free Reduced Pressure Detector Backflow Preventer Assembly, Maxim, Grooved Butterfly Shutoffs, Link Check Modules, Cfm Meter, Z Pattern

4 Lfm500Z-Bfg-C

4 Lfm500Z-Bfg-G

6 Lfm500-Osy-Lm

3/8 LFN9C-M5

2 1/2" SS Double Check Valve Backflow Preventer Assembly, Maxim, OSY Shutoff Valves, Tri-Link Checks