Dual flush water saving toilet system
Dual flushing mechanism
Dual handle semi-flush retrofit kit
Dual inlet flush valve system for gravity operated toilets
Dual manifold flushing assembly
Dual mode flush mechanism for toilets
Dual mode flush valve assembly
Dual mode water saving flush mechanism
Dual stage flush lifter
Dual toilet flushing system
Dual volume discharge outlet valve apparatus
Dual volume flushing system for a flush tank
Dual volume toilet tank
Dual water-level toilet flushing apparatus
Dual-detent retrofitable toilet flush assembly
Dual-flush control apparatus
Dual-flush valve
Dual-flush, tank-actuating device