Backflows, filters, check valves

Dual-check backflow preventer, BA type
Dual-check backflow preventer, ED type
Backflow preventer, CA type
Y-filter
Magnetic Y-filter
Magnetic kit for R74A and R74M filters
R60
Disc check valve
N5
Clapper check valve, neoprene seat
N6
Clapper check valve, metal seat
Filter cartridge for R74A and R74M filters