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
Ball valve with built-in filter, female-female threaded connections, full port
R60
Disc check valve
N5
Clapper check valve, neoprene seat
N6
Clapper check valve, metal seat
Filter cartridge for R74A and R74M filters